EBGP邻居建立问题
本帖最后由 jackwang212 于 2014-10-31 21:30 编辑R1与R3通过ethernet0/0互联,配置:
R1:
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface Ethernet0/1
ip address 192.168.2.1 255.255.255.252
router bgp 64512
no synchronization
bgp router-id 1.1.1.1
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 64513
neighbor 3.3.3.3 ebgp-multihop 5
neighbor 3.3.3.3 update-source Loopback0
no auto-summary
ip route 3.3.3.3 255.255.255.255 192.168.2.2
R3:
interface Loopback0
ip address 3.3.3.3 255.255.255.255
!
interface Ethernet0/1
ip address 192.168.2.2 255.255.255.252
!
router bgp 64513
no synchronization
bgp router-id 3.3.3.3
bgp log-neighbor-changes
network 33.33.33.33 mask 255.255.255.255
neighbor 1.1.1.1 remote-as 64512
neighbor 1.1.1.1 update-source Loopback0
no auto-summary
ip route 1.1.1.1 255.255.255.255 192.168.2.1
R1与R3无法建立EBGP邻居,在R1上debug结果:
*Oct 31 21:22:16.875: BGP: 3.3.3.3 active went from Idle to Active
*Oct 31 21:22:16.875: BGP: 3.3.3.3 open active, local address 1.1.1.1
*Oct 31 21:22:16.875: BGP: 3.3.3.3 open failed: Connection refused by remote host
*Oct 31 21:22:16.875: BGP: 3.3.3.3 Active open failed - tcb is not available, open active delayed 10240ms (35000ms max, 60% jitter)
*Oct 31 21:22:16.875: BGP: ses global 3.3.3.3 (0xB6980678:0) act Reset (Active open failed).
使用端口地址配置邻居就是正常的。请问问题出在哪里?
tcb建立不起来,R3少一个多跳所以tcp三次握手无法建立{:6_265:} tcb建立不起来,R3少一个多条所以tcp三次握手无法建立 R3那边少了EBGP 多跳 没配置! R3那边少了EBGP 多跳 没配置! 拿分走人呵呵,楼下继续! 拿分走人呵呵,楼下继续! 拿分走人呵呵,楼下继续! 底层未配置 R3上没做关于1.1.1.1 的ebgp-multi-hop 多跳的配置而导致的
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