思科Cisco BGP常用show命令小结

发布时间：2020-04-05 13:33:28 作者：networking's blog

这篇文章主要介绍了思科Cisco BGP常用show命令,总结整理了思科Cisco BGP使用show命令查看BGP路由表与网络状态相关操作技巧,需要的朋友可以参考下

本文总结了思科Cisco BGP常用show命令。分享给大家供大家参考，具体如下：

1.常用的show 命令

查看BGP路由表

XRV8#show ip bgp all
For address family: IPv4 Unicast

BGP table version is 217, local router ID is 10.255.255.8
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found

Network Next Hop Metric LocPrf Weight Path
*> 10.33.0.0/19 0.0.0.0 32768 i
*> 10.33.1.0/24 0.0.0.0 0 32768 i
*> 10.33.2.0/24 0.0.0.0 0 32768 i
*> 10.33.3.0/24 0.0.0.0 0 32768 i

查看BGP邻居表

XRV8#show ip bgp summary

BGP router identifier 10.255.255.8, local AS number 65002
BGP table version is 217, main routing table version 217
72 network entries using 10368 bytes of memory
76 path entries using 6080 bytes of memory
3/3 BGP path/bestpath attribute entries using 456 bytes of memory
1 BGP AS-PATH entries using 24 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 16928 total bytes of memory
BGP activity 140/68 prefixes, 220/144 paths, scan interval 60 secs

Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.201.1.1 4 65000 95 89 217 0 0 01:08:02 4
10.201.2.1 4 65000 86 90 217 0 0 01:01:00 4

查看路由表中的BGP路由

XRV8#show ip route bgp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override

Gateway of last resort is not set

10.0.0.0/8 is variably subnetted, 141 subnets, 4 masks
B 10.33.0.0/19 [200/0], 01:07:50, Null0
B 10.63.0.0/19 [20/0] via 10.201.2.1, 00:14:30
B 10.79.0.0/19 [20/0] via 10.201.2.1, 00:14:30
B 10.118.0.0/19 [200/0], 01:07:50, Null0
B 10.123.0.0/19 [200/0], 01:07:50, Null0
B 10.133.0.0/19 [20/0] via 10.201.2.1, 00:14:30
B 10.149.0.0/19 [200/0], 01:07:50, Null0
B 10.158.0.0/19 [20/0] via 10.201.2.1, 00:14:30

查看BGP路由含有某些特定路由的信息

XRV8#show ip route bgp | include 10.133.0.0
B 10.133.0.0/19 [20/0] via 10.201.2.1, 00:19:04

查看含有某些前缀的BGP路由信息

XRV8#show ip bgp 10.133.0.0
BGP routing table entry for 10.133.0.0/19, version 216
Paths: (2 available, best #2, table default)
Not advertised to any peer
Refresh Epoch 4
65000 65001, (aggregated by 65001 10.255.255.7)
10.201.1.1 from 10.201.1.1 (10.255.255.5)
Origin IGP, localpref 100, valid, external, atomic-aggregate
rx pathid: 0, tx pathid: 0
Refresh Epoch 4
65000 65001, (aggregated by 65001 10.255.255.7)
10.201.2.1 from 10.201.2.1 (10.255.255.6)
Origin IGP, localpref 100, valid, external, atomic-aggregate, best
rx pathid: 0, tx pathid: 0x0

查看某个特定的掩码区间的路由

XRV8#show ip bgp 10.133.0.0/16 longer-prefixes
BGP table version is 217, local router ID is 10.255.255.8
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found

Network Next Hop Metric LocPrf Weight Path
* 10.133.0.0/19 10.201.1.1 0 65000 65001 i
*> 10.201.2.1 0 65000 65001 i

查看起源于某个特定AS的路由

XRV8#show ip bgp regexp 65001$
BGP table version is 217, local router ID is 10.255.255.8
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found

Network Next Hop Metric LocPrf Weight Path
* 10.63.0.0/19 10.201.1.1 0 65000 65001 i
*> 10.201.2.1 0 65000 65001 i
* 10.79.0.0/19 10.201.1.1 0 65000 65001 i
*> 10.201.2.1 0 65000 65001 i
* 10.133.0.0/19 10.201.1.1 0 65000 65001 i
*> 10.201.2.1 0 65000 65001 i
* 10.158.0.0/19 10.201.1.1 0 65000 65001 i
*> 10.201.2.1 0 65000 65001 i

Tag：思科 Cisco BGP SHOW

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