実現したいこと
ステータス
・L3SW-3
show run
L3SW-3#show run Building configuration... Current configuration : 1835 bytes ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname L3SW-3 ! boot-start-marker boot-end-marker ! no aaa new-model memory-size iomem 5 no ip icmp rate-limit unreachable ip cef ! no ip domain lookup ip auth-proxy max-nodata-conns 3 ip admission max-nodata-conns 3 ! ip tcp synwait-time 5 ! interface Loopback0 ip address 10.1.1.1 255.255.255.255 ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface Serial0/0 no ip address shutdown clock rate 2000000 ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/1 no ip address shutdown clock rate 2000000 ! interface Serial0/2 no ip address shutdown clock rate 2000000 ! interface FastEthernet1/0 ! interface FastEthernet1/1 ! interface FastEthernet1/2 ! interface FastEthernet1/3 ! interface FastEthernet1/4 ! interface FastEthernet1/5 ! interface FastEthernet1/6 ! interface FastEthernet1/7 ! interface FastEthernet1/8 ! interface FastEthernet1/9 ! interface FastEthernet1/10 no switchport ip address 172.16.1.1 255.255.255.0 ! interface FastEthernet1/11 ! interface FastEthernet1/12 ! interface FastEthernet1/13 ! interface FastEthernet1/14 ! interface FastEthernet1/15 ! interface Vlan1 no ip address ! router bgp 10 no synchronization bgp log-neighbor-changes neighbor 10.2.2.2 remote-as 10 neighbor 10.2.2.2 update-source Loopback0 no auto-summary ! ip forward-protocol nd ! ! no ip http server no ip http secure-server ! no cdp log mismatch duplex ! control-plane ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous line vty 0 4 login ! ! end
show ip bgp summary
L3SW-3#show ip bgp summary BGP router identifier 10.1.1.1, local AS number 10 BGP table version is 1, main routing table version 1 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.2.2.2 4 10 0 0 0 0 0 never Active
ping
L3SW-3#ping 172.16.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 20/23/28 ms L3SW-3#ping 10.2.2.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.2.2.2, timeout is 2 seconds: ..... Success rate is 0 percent (0/5)
・L3SW-4
show run
L3SW-4#show run Building configuration... Current configuration : 1835 bytes ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname L3SW-4 ! boot-start-marker boot-end-marker ! no aaa new-model memory-size iomem 5 no ip icmp rate-limit unreachable ip cef ! no ip domain lookup ip auth-proxy max-nodata-conns 3 ip admission max-nodata-conns 3 ! ip tcp synwait-time 5 ! interface Loopback0 ip address 10.2.2.2 255.255.255.255 ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface Serial0/0 no ip address shutdown clock rate 2000000 ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/1 no ip address shutdown clock rate 2000000 ! interface Serial0/2 no ip address shutdown clock rate 2000000 ! interface FastEthernet1/0 ! interface FastEthernet1/1 ! interface FastEthernet1/2 ! interface FastEthernet1/3 ! interface FastEthernet1/4 ! interface FastEthernet1/5 ! interface FastEthernet1/6 ! interface FastEthernet1/7 ! interface FastEthernet1/8 ! interface FastEthernet1/9 ! interface FastEthernet1/10 no switchport ip address 172.16.1.2 255.255.255.0 ! interface FastEthernet1/11 ! interface FastEthernet1/12 ! interface FastEthernet1/13 ! interface FastEthernet1/14 ! interface FastEthernet1/15 ! interface Vlan1 no ip address ! router bgp 10 no synchronization bgp log-neighbor-changes neighbor 10.1.1.1 remote-as 10 neighbor 10.1.1.1 update-source Loopback0 no auto-summary ! ip forward-protocol nd ! ! no ip http server no ip http secure-server ! no cdp log mismatch duplex ! control-plane ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous line vty 0 4 login ! ! end
show ip bgp summary
L3SW-4#show ip bgp su L3SW-4#show ip bgp summary BGP router identifier 10.2.2.2, local AS number 10 BGP table version is 1, main routing table version 1 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.1.1.1 4 10 0 0 0 0 0 never Active
ping
L3SW-4#ping 172.16.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 20/26/32 ms L3SW-4#ping 10.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds: ..... Success rate is 0 percent (0/5)
ネットで調べるとBGPのステータスがActiveのまま変わらない原因はTCP接続に問題がると書かれております。
しかし、そう言われてもどのように対応すればいいのか分かりません。
どなたか、この状態を打破するための方法をご存知の方、いらっしゃいましたらご教授願います。
以上、よろしくお願いいたします。
###追記
L3SW-1#show ip bgp summary BGP router identifier 10.1.1.1, local AS number 10 BGP table version is 1, main routing table version 1 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.2.2.2 4 10 4 4 1 0 0 00:00:49 0 L3SW-1#show ip bgp summary BGP router identifier 10.1.1.1, local AS number 10 BGP table version is 1, main routing table version 1 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.2.2.2 4 10 9 9 1 0 0 00:05:11 0 L3SW-1#show ip bgp summary BGP router identifier 10.1.1.1, local AS number 10 BGP table version is 1, main routing table version 1 Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.2.2.2 4 10 11 11 1 0 0 00:07:00 0
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