1、AS1存在两个环回,一个地址为192.168.1.0/24该地址不能在任何协议中宣告，
AS3中存在两个环回，一个地址为192.168.2.0/24该地址不能在任何协议中宣告，最终要求这两个环回可以互相通讯
2、整个AS2的IP地址为172.16.0.0/16,请合理划分
3、AS间的骨干链路IP地址随意定制
4、使用BGP协议让整个网络所有设备的环回可以互相访问
5、减少路由条目数量，避免环路出现
网段划分及各路由器的静态路由到达部分网段
172.16.0.0/24-/30 骨干
172.16.1.0/24-32 建邻环回
172.16.2.0-172.16.7.0/24 用户网段
172.16.0.0/21AS1区域路由配置：
R1配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R1
[R1]int g0/0/1
[R1-GigabitEthernet0/0/1]ip add 12.1.1.1 24
[R1-GigabitEthernet0/0/1]int lo0
[R1-LoopBack0]ip add 1.1.1.1 24
[R1-LoopBack0]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R1]bgp 1
[R1-bgp]router-id 1.1.1.1
[R1-bgp]peer 12.1.1.2 as-number 2
[R1-bgp]network 1.1.1.0 24
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R1-bgp]q
[R1]q
<R1>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R1>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 Direct 0 0 D 1.1.1.1 LoopBack0
1.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
1.1.1.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
8.8.8.0/24 EBGP 255 0 D 12.1.1.2 GigabitEthernet
0/0/1
12.1.1.0/24 Direct 0 0 D 12.1.1.1 GigabitEthernet
0/0/1
12.1.1.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
12.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 EBGP 255 0 D 12.1.1.2 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R1>display bgp routing-table
BGP Local router ID is 1.1.1.1
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 3
Network NextHop MED LocPrf PrefVal Path/Ogn
*> 1.1.1.0/24 0.0.0.0 0 0 i
*> 8.8.8.0/24 12.1.1.2 0 2 3i
*> 172.16.0.0/21 12.1.1.2 0 0 2i
<R1>display bgp peer
BGP local router ID : 1.1.1.1
Local AS number : 1
Total number of peers : 1 Peers in established state : 1
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
12.1.1.2 4 2 46 46 0 00:42:45 Established 2
<R1>display current-configuration
[V200R003C00]
#
sysname R1
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
ip address 12.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.0
#
bgp 1
router-id 1.1.1.1
peer 12.1.1.2 as-number 2
#
ipv4-family unicast
undo synchronization
network 1.1.1.0 255.255.255.0
peer 12.1.1.2 enable
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R1> AS2区域路由配置：
AS64512区域路由配置：
R2配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R2
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[R2-GigabitEthernet0/0/0]int lo0
[R2-LoopBack0]ip add 172.16.1.2 32
[R2-LoopBack0]int lo1
[R2-LoopBack1]ip add 172.16.2.1 24
[R2-LoopBack1]q
[R2]int g0/0/1
[R2-GigabitEthernet0/0/1]ip add 172.16.0.1 30
[R2-GigabitEthernet0/0/1]int g0/0/2
[R2-GigabitEthernet0/0/2]ip add 172.16.0.9 30
[R2-GigabitEthernet0/0/2]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R2-ospf-1-area-0.0.0.0]int lo1
[R2-LoopBack1]ospf network-type broadcast
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R2-LoopBack1]bgp 64512
[R2-bgp]router-id 2.2.2.2
[R2-bgp]confederation id 2
[R2-bgp]confederation peer-as 64513
[R2-bgp]peer 172.16.1.3 as-number 64512
[R2-bgp]peer 172.16.1.3 connect-interface LoopBack 0
[R2-bgp]peer 172.16.1.5 as-number 64513
[R2-bgp]peer 172.16.1.5 connect-interface LoopBack 0
[R2-bgp]peer 172.16.1.5 ebgp-max-hop 2
[R2-bgp]peer 12.1.1.1 as-number 1
[R2-bgp]peer 172.16.1.3 next-hop-local
[R2-bgp]peer 172.16.1.5 next-hop-local
[R2-bgp]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R2]ip route-static 172.16.0.0 21 NULL 0
[R2]bgp 64512
[R2-bgp]network 172.16.0.0 21
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R2-bgp]q
[R2]q
<R2>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R2>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 34 Routes : 36
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 EBGP 255 0 D 12.1.1.1 GigabitEthernet
0/0/0
8.8.8.0/24 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/1
IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/2
12.1.1.0/24 Direct 0 0 D 12.1.1.2 GigabitEthernet
0/0/0
12.1.1.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
12.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 Static 60 0 D 0.0.0.0 NULL0
172.16.0.0/30 Direct 0 0 D 172.16.0.1 GigabitEthernet
0/0/1
172.16.0.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.4/30 OSPF 10 2 D 172.16.0.2 GigabitEthernet
0/0/1
172.16.0.8/30 Direct 0 0 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.0.9/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.0.11/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.0.12/30 OSPF 10 2 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.0.16/30 OSPF 10 3 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.0.20/30 OSPF 10 3 D 172.16.0.2 GigabitEthernet
0/0/1
172.16.1.2/32 Direct 0 0 D 127.0.0.1 LoopBack0
172.16.1.3/32 OSPF 10 1 D 172.16.0.2 GigabitEthernet
0/0/1
172.16.1.4/32 OSPF 10 2 D 172.16.0.2 GigabitEthernet
0/0/1
172.16.1.5/32 OSPF 10 1 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.1.6/32 OSPF 10 2 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.1.7/32 OSPF 10 3 D 172.16.0.2 GigabitEthernet
0/0/1
OSPF 10 3 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.2.0/24 Direct 0 0 D 172.16.2.1 LoopBack1
172.16.2.1/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.2.255/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.3.0/24 OSPF 10 1 D 172.16.0.2 GigabitEthernet
0/0/1
172.16.4.0/24 OSPF 10 2 D 172.16.0.2 GigabitEthernet
0/0/1
172.16.5.0/24 OSPF 10 1 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.6.0/24 OSPF 10 2 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.7.0/24 OSPF 10 3 D 172.16.0.2 GigabitEthernet
0/0/1
OSPF 10 3 D 172.16.0.10 GigabitEthernet
0/0/2
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R2>display bgp routing-table
BGP Local router ID is 2.2.2.2
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 3
Network NextHop MED LocPrf PrefVal Path/Ogn
*> 1.1.1.0/24 12.1.1.1 0 0 1i
*>i 8.8.8.0/24 172.16.1.7 0 100 0 (64513) 3i
*> 172.16.0.0/21 0.0.0.0 0 0 i
<R2>display bgp peer
BGP local router ID : 2.2.2.2
Local AS number : 64512
Total number of peers : 3 Peers in established state : 3
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
12.1.1.1 4 1 47 48 0 00:44:02 Established
1
172.16.1.3 4 64512 46 48 0 00:42:16 Established
0
172.16.1.5 4 64513 21 26 0 00:18:32 Established
1
<R2>display current-configuration
[V200R003C00]
#
sysname R2
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 12.1.1.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 172.16.0.1 255.255.255.252
#
interface GigabitEthernet0/0/2
ip address 172.16.0.9 255.255.255.252
#
interface NULL0
#
interface LoopBack0
ip address 172.16.1.2 255.255.255.255
#
interface LoopBack1
ip address 172.16.2.1 255.255.255.0
ospf network-type broadcast
#
bgp 64512
router-id 2.2.2.2
confederation id 2
confederation peer-as 64513
peer 12.1.1.1 as-number 1
peer 172.16.1.3 as-number 64512
peer 172.16.1.3 connect-interface LoopBack0
peer 172.16.1.5 as-number 64513
peer 172.16.1.5 ebgp-max-hop 2
peer 172.16.1.5 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 172.16.0.0 255.255.248.0
peer 12.1.1.1 enable
peer 172.16.1.3 enable
peer 172.16.1.3 next-hop-local
peer 172.16.1.5 enable
peer 172.16.1.5 next-hop-local
#
ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
ip route-static 172.16.0.0 255.255.248.0 NULL0
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R2>R3配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R3
[R3]int l0
[R3-LoopBack0]ip add 172.16.1.3 32
[R3-LoopBack0]int lo1
[R3-LoopBack1]ip add 172.16.3.1 24
[R3-LoopBack1]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 172.16.0.2 30
[R3-GigabitEthernet0/0/0]int g0/0/1
[R3-GigabitEthernet0/0/1]ip add 172.16.0.5 30
[R3-GigabitEthernet0/0/1]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R3-ospf-1-area-0.0.0.0]int lo1
[R3-LoopBack1]ospf network-type broadcast
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R3-LoopBack1]q
[R3]bgp 64512
[R3-bgp]router-id 3.3.3.3
[R3-bgp]confederation id 2
[R3-bgp]peer 172.16.1.2 as-number 64512
[R3-bgp]peer 172.16.1.2 connect-interface LoopBack 0
[R3-bgp]peer 172.16.1.4 as-number 64512
[R3-bgp]peer 172.16.1.4 connect-interface LoopBack 0
[R3-bgp]peer 172.16.1.4 reflect-client
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R3-bgp]q
[R3]q
<R3>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R3>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 31 Routes : 33
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/0
8.8.8.0/24 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/0
172.16.0.0/30 Direct 0 0 D 172.16.0.2 GigabitEthernet
0/0/0
172.16.0.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.3/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.4/30 Direct 0 0 D 172.16.0.5 GigabitEthernet
0/0/1
172.16.0.5/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.7/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.8/30 OSPF 10 2 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.0.12/30 OSPF 10 3 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.0.16/30 OSPF 10 3 D 172.16.0.6 GigabitEthernet
0/0/1
172.16.0.20/30 OSPF 10 2 D 172.16.0.6 GigabitEthernet
0/0/1
172.16.1.2/32 OSPF 10 1 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.1.3/32 Direct 0 0 D 127.0.0.1 LoopBack0
172.16.1.4/32 OSPF 10 1 D 172.16.0.6 GigabitEthernet
0/0/1
172.16.1.5/32 OSPF 10 2 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.1.6/32 OSPF 10 3 D 172.16.0.1 GigabitEthernet
0/0/0
OSPF 10 3 D 172.16.0.6 GigabitEthernet
0/0/1
172.16.1.7/32 OSPF 10 2 D 172.16.0.6 GigabitEthernet
0/0/1
172.16.2.0/24 OSPF 10 1 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.3.0/24 Direct 0 0 D 172.16.3.1 LoopBack1
172.16.3.1/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.3.255/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.4.0/24 OSPF 10 1 D 172.16.0.6 GigabitEthernet
0/0/1
172.16.5.0/24 OSPF 10 2 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.6.0/24 OSPF 10 3 D 172.16.0.6 GigabitEthernet
0/0/1
OSPF 10 3 D 172.16.0.1 GigabitEthernet
0/0/0
172.16.7.0/24 OSPF 10 2 D 172.16.0.6 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R3>display bgp routing-table
BGP Local router ID is 3.3.3.3
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 5
Network NextHop MED LocPrf PrefVal Path/Ogn
*>i 1.1.1.0/24 172.16.1.2 0 100 0 1i
*>i 8.8.8.0/24 172.16.1.7 0 100 0 (64513) 3i
* i 172.16.1.7 0 100 0 (64513) 3i
*>i 172.16.0.0/21 172.16.1.2 0 100 0 i
* i 172.16.1.7 0 100 0 (64513)i
<R3>display bgp peer
BGP local router ID : 3.3.3.3
Local AS number : 64512
Total number of peers : 2 Peers in established state : 2
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
172.16.1.2 4 64512 48 47 0 00:42:53 Established
3
172.16.1.4 4 64512 44 48 0 00:40:25 Established
2
<R3>display current-configuration
[V200R003C00]
#
sysname R3
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 172.16.0.2 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 172.16.0.5 255.255.255.252
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 172.16.1.3 255.255.255.255
#
interface LoopBack1
ip address 172.16.3.1 255.255.255.0
ospf network-type broadcast
#
bgp 64512
router-id 3.3.3.3
confederation id 2
peer 172.16.1.2 as-number 64512
peer 172.16.1.2 connect-interface LoopBack0
peer 172.16.1.4 as-number 64512
peer 172.16.1.4 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
peer 172.16.1.2 enable
peer 172.16.1.4 enable
peer 172.16.1.4 reflect-client
#
ospf 1 router-id 3.3.3.3
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R3>R4配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R4
[R4]int lo0
[R4-LoopBack0]ip add 172.16.1.4 32
[R4-LoopBack0]int lo1
[R4-LoopBack1]ip add 172.16.4.1 24
[R4-LoopBack1]int g0/0/0
[R4-GigabitEthernet0/0/0]ip add 172.16.0.6 30
[R4-GigabitEthernet0/0/0]int g0/0/2
[R4-GigabitEthernet0/0/2]ip add 172.16.0.21 30
[R4-GigabitEthernet0/0/2]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R4]ospf 1 router-id 4.4.4.4
[R4-ospf-1]area 0
[R4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R4-ospf-1-area-0.0.0.0]int lo1
[R4-LoopBack1]ospf network-type broadcast
[R4-LoopBack1]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R4]bgp 64512
[R4-bgp]router-id 4.4.4.4
[R4-bgp]confederation id 2
[R4-bgp]confederation peer-as 64513
[R4-bgp]peer 172.16.1.3 as-number 64512
[R4-bgp]peer 172.16.1.3 connect-interface LoopBack 0
[R4-bgp]peer 172.16.1.7 as-number 64513
[R4-bgp]peer 172.16.1.7 connect-interface LoopBack 0
[R4-bgp]peer 172.16.1.7 ebgp-max-hop 2
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R4-bgp]q
[R4]q
<R4>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait........
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R4>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 31 Routes : 33
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/0
8.8.8.0/24 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/2
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/2
172.16.0.0/30 OSPF 10 2 D 172.16.0.5 GigabitEthernet
0/0/0
172.16.0.4/30 Direct 0 0 D 172.16.0.6 GigabitEthernet
0/0/0
172.16.0.6/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.7/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.8/30 OSPF 10 3 D 172.16.0.5 GigabitEthernet
0/0/0
172.16.0.12/30 OSPF 10 3 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.0.16/30 OSPF 10 2 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.0.20/30 Direct 0 0 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.0.21/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.0.23/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.1.2/32 OSPF 10 2 D 172.16.0.5 GigabitEthernet
0/0/0
172.16.1.3/32 OSPF 10 1 D 172.16.0.5 GigabitEthernet
0/0/0
172.16.1.4/32 Direct 0 0 D 127.0.0.1 LoopBack0
172.16.1.5/32 OSPF 10 3 D 172.16.0.5 GigabitEthernet
0/0/0
OSPF 10 3 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.1.6/32 OSPF 10 2 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.1.7/32 OSPF 10 1 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.2.0/24 OSPF 10 2 D 172.16.0.5 GigabitEthernet
0/0/0
172.16.3.0/24 OSPF 10 1 D 172.16.0.5 GigabitEthernet
0/0/0
172.16.4.0/24 Direct 0 0 D 172.16.4.1 LoopBack1
172.16.4.1/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.4.255/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.5.0/24 OSPF 10 3 D 172.16.0.5 GigabitEthernet
0/0/0
OSPF 10 3 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.6.0/24 OSPF 10 2 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.7.0/24 OSPF 10 1 D 172.16.0.22 GigabitEthernet
0/0/2
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R4>display bgp routing-table
BGP Local router ID is 4.4.4.4
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 5
Network NextHop MED LocPrf PrefVal Path/Ogn
*>i 1.1.1.0/24 172.16.1.2 0 100 0 1i
*>i 8.8.8.0/24 172.16.1.7 0 100 0 (64513) 3i
* i 172.16.1.7 0 100 0 (64513) 3i
*>i 172.16.0.0/21 172.16.1.7 0 100 0 (64513)i
* i 172.16.1.2 0 100 0 i
<R4>display bgp peer
BGP local router ID : 4.4.4.4
Local AS number : 64512
Total number of peers : 2 Peers in established state : 2
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
172.16.1.3 4 64512 45 44 0 00:40:57 Established
3
172.16.1.7 4 64513 40 40 0 00:32:59 Established
2
<R4>display current-configuration
[V200R003C00]
#
sysname R4
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 172.16.0.6 255.255.255.252
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
ip address 172.16.0.21 255.255.255.252
#
interface NULL0
#
interface LoopBack0
ip address 172.16.1.4 255.255.255.255
#
interface LoopBack1
ip address 172.16.4.1 255.255.255.0
ospf network-type broadcast
#
bgp 64512
router-id 4.4.4.4
confederation id 2
confederation peer-as 64513
peer 172.16.1.3 as-number 64512
peer 172.16.1.3 connect-interface LoopBack0
peer 172.16.1.7 as-number 64513
peer 172.16.1.7 ebgp-max-hop 2
peer 172.16.1.7 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
peer 172.16.1.3 enable
peer 172.16.1.7 enable
#
ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R4> AS64513区域路由配置：
R5配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R5
[R5]int lo0
[R5-LoopBack0]ip add 172.16.1.5 32
[R5-LoopBack0]int lo1
[R5-LoopBack1]ip add 172.16.5.1 24
[R5-LoopBack1]int g0/0/2
[R5-GigabitEthernet0/0/2]ip add 172.16.0.10 30
[R5-GigabitEthernet0/0/2]int g0/0/1
[R5-GigabitEthernet0/0/1]ip add 172.16.0.13 30
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R5-GigabitEthernet0/0/1]q
[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R5-ospf-1-area-0.0.0.0]int lo1
[R5-LoopBack1]ospf network-type broadcast
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R5-LoopBack1]q
[R5]bgp 64513
[R5-bgp]router-id 5.5.5.5
[R5-bgp]confederation id 2
[R5-bgp]confederation peer-as 64512
[R5-bgp]peer 172.16.1.2 as-number 64512
[R5-bgp]peer 172.16.1.2 connect-interface LoopBack 0
[R5-bgp]peer 172.16.1.2 ebgp-max-hop 2
[R5-bgp]peer 172.16.1.6 as-number 64513
[R5-bgp]peer 172.16.1.6 connect-interface LoopBack 0
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R5-bgp]q
[R5]q
<R5>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R5>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 31 Routes : 33
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/2
8.8.8.0/24 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/2
172.16.0.0/30 OSPF 10 2 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.0.4/30 OSPF 10 3 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.0.8/30 Direct 0 0 D 172.16.0.10 GigabitEthernet
0/0/2
172.16.0.10/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.0.11/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.0.12/30 Direct 0 0 D 172.16.0.13 GigabitEthernet
0/0/1
172.16.0.13/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.15/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.16/30 OSPF 10 2 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.0.20/30 OSPF 10 3 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.1.2/32 OSPF 10 1 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.1.3/32 OSPF 10 2 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.1.4/32 OSPF 10 3 D 172.16.0.9 GigabitEthernet
0/0/2
OSPF 10 3 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.1.5/32 Direct 0 0 D 127.0.0.1 LoopBack0
172.16.1.6/32 OSPF 10 1 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.1.7/32 OSPF 10 2 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.2.0/24 OSPF 10 1 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.3.0/24 OSPF 10 2 D 172.16.0.9 GigabitEthernet
0/0/2
172.16.4.0/24 OSPF 10 3 D 172.16.0.9 GigabitEthernet
0/0/2
OSPF 10 3 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.5.0/24 Direct 0 0 D 172.16.5.1 LoopBack1
172.16.5.1/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.5.255/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.6.0/24 OSPF 10 1 D 172.16.0.14 GigabitEthernet
0/0/1
172.16.7.0/24 OSPF 10 2 D 172.16.0.14 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R5>display bgp routing-table
BGP Local router ID is 5.5.5.5
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 4
Network NextHop MED LocPrf PrefVal Path/Ogn
*>i 1.1.1.0/24 172.16.1.2 0 100 0 (64512) 1i
*>i 8.8.8.0/24 172.16.1.7 0 100 0 3i
*>i 172.16.0.0/21 172.16.1.2 0 100 0 (64512)i
* i 172.16.1.7 0 100 0 i
<R5>display bgp peer
BGP local router ID : 5.5.5.5
Local AS number : 64513
Total number of peers : 2 Peers in established state : 2
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
172.16.1.2 4 64512 26 23 0 00:20:09 Established
2
172.16.1.6 4 64513 22 22 0 00:18:49 Established
2
<R5>display current-configuration
[V200R003C00]
#
sysname R5
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
ip address 172.16.0.13 255.255.255.252
#
interface GigabitEthernet0/0/2
ip address 172.16.0.10 255.255.255.252
#
interface NULL0
#
interface LoopBack0
ip address 172.16.1.5 255.255.255.255
#
interface LoopBack1
ip address 172.16.5.1 255.255.255.0
ospf network-type broadcast
#
bgp 64513
router-id 5.5.5.5
confederation id 2
confederation peer-as 64512
peer 172.16.1.2 as-number 64512
peer 172.16.1.2 ebgp-max-hop 2
peer 172.16.1.2 connect-interface LoopBack0
peer 172.16.1.6 as-number 64513
peer 172.16.1.6 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
peer 172.16.1.2 enable
peer 172.16.1.6 enable
#
ospf 1 router-id 5.5.5.5
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R5>R6配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R6
[R6]int lo0
[R6-LoopBack0]ip add 172.16.1.6 32
[R6-LoopBack0]int lo1
[R6-LoopBack1]ip add 172.16.6.1 24
[R6-LoopBack1]int g0/0/0
[R6-GigabitEthernet0/0/0]ip add 172.16.0.14 30
[R6-GigabitEthernet0/0/0]int g0/0/1
[R6-GigabitEthernet0/0/1]ip add 172.16.0.17 30
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R6-GigabitEthernet0/0/1]q
[R6]ospf 1 router-id 6.6.6.6
[R6-ospf-1]area 0
[R6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R6-ospf-1-area-0.0.0.0]int lo1
[R6-LoopBack1]ospf network-type broadcast
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R6-LoopBack1]q
[R6]bgp 64513
[R6-bgp]router-id 6.6.6.6
[R6-bgp]confederation id 2
[R6-bgp]peer 172.16.1.5 as-number 64513
[R6-bgp]peer 172.16.1.5 connect-interface LoopBack 0
[R6-bgp]peer 172.16.1.7 as-number 64513
[R6-bgp]peer 172.16.1.7 connect-interface LoopBack 0
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R6-bgp]q
[R6]bgp 64513
[R6-bgp]peer 172.16.1.7 reflect-client
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R6-bgp]q
[R6]q
<R6>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R6>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 31 Routes : 33
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/0
8.8.8.0/24 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 IBGP 255 0 RD 172.16.1.7 GigabitEthernet
0/0/1
172.16.0.0/30 OSPF 10 3 D 172.16.0.13 GigabitEthernet
0/0/0
172.16.0.4/30 OSPF 10 3 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.0.8/30 OSPF 10 2 D 172.16.0.13 GigabitEthernet
0/0/0
172.16.0.12/30 Direct 0 0 D 172.16.0.14 GigabitEthernet
0/0/0
172.16.0.14/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.15/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.16/30 Direct 0 0 D 172.16.0.17 GigabitEthernet
0/0/1
172.16.0.17/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.19/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
172.16.0.20/30 OSPF 10 2 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.1.2/32 OSPF 10 2 D 172.16.0.13 GigabitEthernet
0/0/0
172.16.1.3/32 OSPF 10 3 D 172.16.0.13 GigabitEthernet
0/0/0
OSPF 10 3 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.1.4/32 OSPF 10 2 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.1.5/32 OSPF 10 1 D 172.16.0.13 GigabitEthernet
0/0/0
172.16.1.6/32 Direct 0 0 D 127.0.0.1 LoopBack0
172.16.1.7/32 OSPF 10 1 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.2.0/24 OSPF 10 2 D 172.16.0.13 GigabitEthernet
0/0/0
172.16.3.0/24 OSPF 10 3 D 172.16.0.13 GigabitEthernet
0/0/0
OSPF 10 3 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.4.0/24 OSPF 10 2 D 172.16.0.18 GigabitEthernet
0/0/1
172.16.5.0/24 OSPF 10 1 D 172.16.0.13 GigabitEthernet
0/0/0
172.16.6.0/24 Direct 0 0 D 172.16.6.1 LoopBack1
172.16.6.1/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.6.255/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.7.0/24 OSPF 10 1 D 172.16.0.18 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R6>display bgp routing-table
BGP Local router ID is 6.6.6.6
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 5
Network NextHop MED LocPrf PrefVal Path/Ogn
*>i 1.1.1.0/24 172.16.1.2 0 100 0 (64512) 1i
* i 172.16.1.2 0 100 0 (64512) 1i
*>i 8.8.8.0/24 172.16.1.7 0 100 0 3i
*>i 172.16.0.0/21 172.16.1.7 0 100 0 i
* i 172.16.1.2 0 100 0 (64512)i
<R6>display bgp peer
BGP local router ID : 6.6.6.6
Local AS number : 64513
Total number of peers : 2 Peers in established state : 2
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
172.16.1.5 4 64513 23 25 0 00:19:18 Established
2
172.16.1.7 4 64513 41 40 0 00:33:29 Established
3
<R6>display current-configuration
[V200R003C00]
#
sysname R6
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 172.16.0.14 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 172.16.0.17 255.255.255.252
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 172.16.1.6 255.255.255.255
#
interface LoopBack1
ip address 172.16.6.1 255.255.255.0
ospf network-type broadcast
#
bgp 64513
router-id 6.6.6.6
confederation id 2
peer 172.16.1.5 as-number 64513
peer 172.16.1.5 connect-interface LoopBack0
peer 172.16.1.7 as-number 64513
peer 172.16.1.7 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
peer 172.16.1.5 enable
peer 172.16.1.7 enable
peer 172.16.1.7 reflect-client
#
ospf 1 router-id 6.6.6.6
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R6>R7配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R7
[R7]int g0/0/1
[R7-GigabitEthernet0/0/1]ip add 78.1.1.1 24
[R7]int lo0
[R7-LoopBack0]ip add 172.16.1.7 32
[R7-LoopBack0]int lo1
[R7-LoopBack1]ip add 172.16.7.1 24
[R7-LoopBack1]int g0/0/0
[R7-GigabitEthernet0/0/0]ip add 172.16.0.18 30
[R7-GigabitEthernet0/0/0]int g0/0/2
[R7-GigabitEthernet0/0/2]ip add 172.16.0.22 30
[R7-GigabitEthernet0/0/2]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R7]ospf 1 router-id 7.7.7.7
[R7-ospf-1]area 0
[R7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[R7-ospf-1-area-0.0.0.0]int lo1
[R7-LoopBack1]ospf network-type broadcast
[R7-LoopBack1]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R7]bgp 64513
[R7-bgp]router-id 7.7.7.7
[R7-bgp]confederation id 2
[R7-bgp]confederation peer-as 64512
[R7-bgp]peer 172.16.1.4 as-number 64512
[R7-bgp]peer 172.16.1.4 connect-interface LoopBack 0
[R7-bgp]peer 172.16.1.4 ebgp-max-hop 2
[R7-bgp]peer 172.16.1.6 as-number 64513
[R7-bgp]peer 172.16.1.6 connect-interface LoopBack 0
[R7-bgp]peer 78.1.1.2 as-number 3
[R7-bgp]peer 172.16.1.4 next-hop-local
[R7-bgp]peer 172.16.1.6 next-hop-local
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R7-bgp]q
[R7]ip route-static 172.16.0.0 21 NULL 0
[R7]bgp 64513
[R7-bgp]network 172.16.0.0 21
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R7-bgp]q
[R7]q
<R7>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R7>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 34 Routes : 36
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/2
IBGP 255 0 RD 172.16.1.2 GigabitEthernet
0/0/0
8.8.8.0/24 EBGP 255 0 D 78.1.1.2 GigabitEthernet
0/0/1
78.1.1.0/24 Direct 0 0 D 78.1.1.1 GigabitEthernet
0/0/1
78.1.1.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
78.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 Static 60 0 D 0.0.0.0 NULL0
172.16.0.0/30 OSPF 10 3 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.0.4/30 OSPF 10 2 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.0.8/30 OSPF 10 3 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.0.12/30 OSPF 10 2 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.0.16/30 Direct 0 0 D 172.16.0.18 GigabitEthernet
0/0/0
172.16.0.18/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.19/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
172.16.0.20/30 Direct 0 0 D 172.16.0.22 GigabitEthernet
0/0/2
172.16.0.22/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.0.23/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
172.16.1.2/32 OSPF 10 3 D 172.16.0.21 GigabitEthernet
0/0/2
OSPF 10 3 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.1.3/32 OSPF 10 2 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.1.4/32 OSPF 10 1 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.1.5/32 OSPF 10 2 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.1.6/32 OSPF 10 1 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.1.7/32 Direct 0 0 D 127.0.0.1 LoopBack0
172.16.2.0/24 OSPF 10 3 D 172.16.0.21 GigabitEthernet
0/0/2
OSPF 10 3 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.3.0/24 OSPF 10 2 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.4.0/24 OSPF 10 1 D 172.16.0.21 GigabitEthernet
0/0/2
172.16.5.0/24 OSPF 10 2 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.6.0/24 OSPF 10 1 D 172.16.0.17 GigabitEthernet
0/0/0
172.16.7.0/24 Direct 0 0 D 172.16.7.1 LoopBack1
172.16.7.1/32 Direct 0 0 D 127.0.0.1 LoopBack1
172.16.7.255/32 Direct 0 0 D 127.0.0.1 LoopBack1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R7>display bgp routing-table
BGP Local router ID is 7.7.7.7
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 4
Network NextHop MED LocPrf PrefVal Path/Ogn
*>i 1.1.1.0/24 172.16.1.2 0 100 0 (64512) 1i
* i 172.16.1.2 0 100 0 (64512) 1i
*> 8.8.8.0/24 78.1.1.2 0 0 3i
*> 172.16.0.0/21 0.0.0.0 0 0 i
<R7>display bgp peer
BGP local router ID : 7.7.7.7
Local AS number : 64513
Total number of peers : 3 Peers in established state : 3
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
78.1.1.2 4 3 36 39 0 00:33:00 Established
1
172.16.1.4 4 64512 39 42 0 00:34:28 Established
1
172.16.1.6 4 64513 39 41 0 00:34:00 Established
1
<R7>display current-configuration
[V200R003C00]
#
sysname R7
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 172.16.0.18 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 78.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0/2
ip address 172.16.0.22 255.255.255.252
#
interface NULL0
#
interface LoopBack0
ip address 172.16.1.7 255.255.255.255
#
interface LoopBack1
ip address 172.16.7.1 255.255.255.0
ospf network-type broadcast
#
bgp 64513
router-id 7.7.7.7
confederation id 2
confederation peer-as 64512
peer 78.1.1.2 as-number 3
peer 172.16.1.4 as-number 64512
peer 172.16.1.4 ebgp-max-hop 2
peer 172.16.1.4 connect-interface LoopBack0
peer 172.16.1.6 as-number 64513
peer 172.16.1.6 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 172.16.0.0 255.255.248.0
peer 78.1.1.2 enable
peer 172.16.1.4 enable
peer 172.16.1.4 next-hop-local
peer 172.16.1.6 enable
peer 172.16.1.6 next-hop-local
#
ospf 1 router-id 7.7.7.7
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
ip route-static 172.16.0.0 255.255.248.0 NULL0
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R7>AS3区域路由配置：
R8配置命令及信息查看情况：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R8
[R8]int g0/0/0
[R8-GigabitEthernet0/0/0]ip add 78.1.1.2 24
[R8-GigabitEthernet0/0/0]int lo0
[R8-LoopBack0]ip add 8.8.8.8 24
[R8-LoopBack0]q
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R8]bgp 3
[R8-bgp]router-id 8.8.8.8
[R8-bgp]peer 78.1.1.1 as-number 2
[R8-bgp]network 8.8.8.0 24
=================================================================================================================================
=================================================================================================================================
=================================================================================================================================
[R8-bgp]q
[R8]q
<R8>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<R8>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 EBGP 255 0 D 78.1.1.1 GigabitEthernet
0/0/0
8.8.8.0/24 Direct 0 0 D 8.8.8.8 LoopBack0
8.8.8.8/32 Direct 0 0 D 127.0.0.1 LoopBack0
8.8.8.255/32 Direct 0 0 D 127.0.0.1 LoopBack0
78.1.1.0/24 Direct 0 0 D 78.1.1.2 GigabitEthernet
0/0/0
78.1.1.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
78.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.0.0/21 EBGP 255 0 D 78.1.1.1 GigabitEthernet
0/0/0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<R8>display bgp routing-table
BGP Local router ID is 8.8.8.8
Status codes: * - valid, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Total Number of Routes: 3
Network NextHop MED LocPrf PrefVal Path/Ogn
*> 1.1.1.0/24 78.1.1.1 0 2 1i
*> 8.8.8.0/24 0.0.0.0 0 0 i
*> 172.16.0.0/21 78.1.1.1 0 0 2i
<R8>display bgp peer
BGP local router ID : 8.8.8.8
Local AS number : 3
Total number of peers : 1 Peers in established state : 1
Peer V AS MsgRcvd MsgSent OutQ Up/Down State Pre
fRcv
78.1.1.1 4 2 38 36 0 00:33:31 Established
2
<R8>display current-configuration
[V200R003C00]
#
sysname R8
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 78.1.1.2 255.255.255.0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 8.8.8.8 255.255.255.0
#
bgp 3
router-id 8.8.8.8
peer 78.1.1.1 as-number 2
#
ipv4-family unicast
undo synchronization
network 8.8.8.0 255.255.255.0
peer 78.1.1.1 enable
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<R8> 联通测试：
自治区域AS联通：
自治区域AS2内联通：
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