Network Interface name change

最新推荐文章于 2023-08-13 00:04:55 发布

转载最新推荐文章于 2023-08-13 00:04:55 发布 · 630 阅读

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#网络

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本文介绍如何在 CentOS 7 中更改网络接口名称的方法，包括编辑 GRUB 启动参数和创建 udev 规则文件来确保重启后网络接口名称保持一致。

参考：http://ask.xmodulo.com/change-network-interface-name-centos7.html
http://blog.chinaunix.net/uid-29179844-id-4417065.html

restart network: systemctl restart network

1
editing /etc/default/grub and adding “net.ifnames=0” to GRUB_CMDLINE_LINUX variable.
run：grub2-mkconfig -o /boot/grub/grub.cfg

2
edit (or create) a udev network naming rule file (/etc/udev/rules.d/70-persistent-net.rules)
such as:

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:4e:40:9a", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

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public String setupInterfaceForClientInScanMode( 1666 @NonNull InterfaceCallback interfaceCallback, @NonNull WorkSource requestorWs, 1667 @NonNull ConcreteClientModeManager concreteClientModeManager) { 1668 synchronized (mLock) { 1669 if (!startHal()) { 1670 Log.e(TAG, "Failed to start Hal"); 1671 mWifiMetrics.incrementNumSetupClientInterfaceFailureDueToHal(); 1672 return null; 1673 } 1674 Iface iface = mIfaceMgr.allocateIface(Iface.IFACE_TYPE_STA_FOR_SCAN); 1675 if (iface == null) { 1676 Log.e(TAG, "Failed to allocate new STA iface"); 1677 return null; 1678 } 1679 iface.externalListener = interfaceCallback; 1680 iface.name = createStaIface(iface, requestorWs, concreteClientModeManager); 1681 if (TextUtils.isEmpty(iface.name)) { 1682 Log.e(TAG, "Failed to create iface in vendor HAL"); 1683 mIfaceMgr.removeIface(iface.id); 1684 mWifiMetrics.incrementNumSetupClientInterfaceFailureDueToHal(); 1685 return null; 1686 } 1687 if (!mWifiCondManager.setupInterfaceForClientMode(iface.name, Runnable::run, 1688 new NormalScanEventCallback(iface.name), 1689 new PnoScanEventCallback(iface.name))) { 1690 Log.e(TAG, "Failed to setup iface in wificond=" + iface.name); 1691 teardownInterface(iface.name); 1692 mWifiMetrics.incrementNumSetupClientInterfaceFailureDueToWificond(); 1693 return null; 1694 } 1695 registerInterfaceObserver(); 1696 iface.networkObserver = new NetworkObserverInternal(iface.id); 1697 if (!registerNetworkObserver(iface.networkObserver)) { 1698 Log.e(TAG, "Failed to register network observer for iface=" + iface.name); 1699 teardownInterface(iface.name); 1700 return null; 1701 } 1702 mWifiMonitor.startMonitoring(iface.name); 1703 // Just to avoid any race conditions with interface state change callbacks, 1704 // update the interface state before we exit. 1705 onInterfaceStateChanged(iface, isInterfaceUp(iface.name)); 1706 mWifiVendorHal.enableLinkLayerStats(iface.name); 1707 Log.i(TAG, "Successfully setup " + iface); 1708 1709 iface.featureSet = getSupportedFeatureSetInternal(iface.name); 1710 updateSupportedBandForStaInternal(iface); 1711 1712 mWifiVendorHal.enableStaChannelForPeerNetwork(mContext.getResources().getBoolean( 1713 R.bool.config_wifiEnableStaIndoorChannelForPeerNetwork), 1714 mContext.getResources().getBoolean( 1715 R.bool.config_wifiEnableStaDfsChannelForPeerNetwork)); 1716 return iface.name; 1717 } 1718 }分析这段函数中传入所有参数的作用

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