IOU3(config)#router bgp 100IOU3(config-router)#neighbor cisco peer-group //创建对等体组IOU3(config-router)#neighbor cisco remote-as 100 //定义对等体策略IOU3(config-router)#neighbor cisco update-source loopback 0IOU3(config-router)#neighbor cisco next-hop-self IOU3(config-router)#neighbor 1...
R1(config)#router bgp 100 //启动BGP进程 本路由 As 100 R1(config-router)#no synchronization //关闭同步,高版本IOS默认配置 R1(config-router)#bgp router-id 1.1.1.1 //配置BGP的router ID R1(config-router)#neighbor 2.2.2.2 remote-as 100 //宣告2.2.2.2 为邻居 他在AS100 R1(config-router)#nei...
switch(config)# router bgp 100 % BGP is already running with AS number 50 switch(config)# Configuring BGP in a VRF IPv6 VRF support in EOS allows application of a BGP configuration to a single VRF instance, overriding global commands. To apply VRF-specific BGP configuration, use the vrf ...
先实现AS200内全网通信（RIP协议），再实现AS300内全网通信（OSPF协议），在AS200内R1和R2建立邻居（使用接口地址建立邻居），在AS300内R3和R4建立邻居（使用Loopback建立邻居）。 R1的配置：[R1]bgp 200 [R1-bgp]peer 12.0.0.2 as-number 200 R2的配置：[R2]bgp 200 [R2-bgp]peer 12.0.0.1 ...
This feature does not introduce any new failure modes to IS-IS. Running Configuration To check the filter for IS-IS advertisements to BGP-LS, you can run the following command: Router#show running-configrouter isis 1 distribute link-state ...
BGP uses TCP (port number 179) as its transport layer protocol, which enhances protocol reliability. This allows VPN routes to be directly exchanged between two PEs with routers located between them. BGP can append any information to a route as optional BGP attributes. Such information is transpa...
Figure 16-50 IGP running between the Hub-CE and Hub-PE, and between Spoke-PEs and Spoke-CEs Because all PEs and CEs exchange routing information through IGP and IGP routes do not contain the AS_Path attribute, the AS_Path field of BGP VPNv4 routes is null. EBGP running between the Hub...
BGP uses certain timers to control periodic activities, such as the sending of keepalive messages and the interval after which a neighbor is assumed to be down if no messages are received from the neighbor during the interval. The values set using the timers bgp command in router configurati...
bgp as-number [ instance instance-name ] 3. Set the TCP MSS for a peer or peer group. peer { group-name | ipv4-address [ mask-length ] | ipv6-address [ prefix-length ] } tcp-mss mss-value By default, the TCP MSS is not set. Enabling BGP to establish an EBGP session over mul...
peer { group-name | ipv4-address [ mask-length ] } capability-advertise suppress-4-byte-as By default, 4-byte AS number suppression is disabled. Procedure (IPv6 peers) 1. Enter system view. system-view 2. Enter BGP instance view or BGP-VPN instance view. ¡ Enter BGP instance view....