BGP confederation

ccna_candidate

intra-confederation eBGP什么都不announce

AS64602  BGP confederation

Sub-AS

65020 (I64602-1)

65022 (I64602-21, I64602-22)

65023 (I64602-31, I64602-32)

BGP RID

I64602-1     23.255.255.251

I64602-21           23.255.255.221

I64602-22           23.255.255.222

I64602-31           23.255.255.231

I64602-32           23.255.255.232

I64602-1(config-router)#do show ip bgp summary

BGP router identifier 23.255.255.251, local AS number 65020

Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd

23.255.255.221  4 65022      53      69       18    0    0 00:48:57        0

45.127.255.251  4 64601     181      75       18    0    0 00:54:28        3

45.127.255.252  4 64601     184      75       18    0    0 00:54:16        3

103.127.255.251 4 64603      63      75       18    0    0 00:54:26        4

router bgp 65020

no synchronization

bgp log-neighbor-changes

bgp confederation identifier 64602

bgp confederation peers 65022 65023

neighbor iBGP-confed peer-group

neighbor iBGP-confed remote-as 65020

neighbor iBGP-confed update-source Loopback0

neighbor eBGP-confed peer-group

neighbor eBGP-confed ebgp-multihop 2

neighbor eBGP-confed update-source Loopback0

neighbor customer-full peer-group

neighbor customer-full ebgp-multihop 2

neighbor customer-full update-source Loopback0

neighbor 23.255.255.221 remote-as 65022

neighbor 23.255.255.221 peer-group eBGP-confed

neighbor 45.127.255.251 remote-as 64601

neighbor 45.127.255.251 peer-group customer-full

neighbor 45.127.255.252 remote-as 64601

neighbor 45.127.255.252 peer-group customer-full

neighbor 103.127.255.251 remote-as 64603

neighbor 103.127.255.251 peer-group customer-full

-----------------------------------------------------------------------------------------------------------------------------------------------------

I64602-21(config-if)#do show ip bgp su

BGP router identifier 23.255.255.221, local AS number 65022

Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd

23.255.255.222  4 65022      71      70        1    0    0 01:06:00        1

23.255.255.251  4 65020      75      56        1    0    0 00:52:56        5

router bgp 65022

no synchronization

bgp log-neighbor-changes

bgp confederation identifier 64602

bgp confederation peers 65020 65023

neighbor iBGP-confed peer-group

neighbor iBGP-confed remote-as 65022

neighbor iBGP-confed update-source Loopback0

neighbor eBGP-confed peer-group

neighbor eBGP-confed ebgp-multihop 2

neighbor eBGP-confed update-source Loopback0

neighbor 23.255.255.222 peer-group iBGP-confed

neighbor 23.255.255.251 remote-as 65020

neighbor 23.255.255.251 peer-group eBGP-confed

no auto-summary

I64602-21(config-if)#do show ip bgp

BGP table version is 1, local router ID is 23.255.255.221

Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,

              r RIB-failure, S Stale

Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop            Metric LocPrf Weight Path

*  5.45.32.0/20     45.127.255.251           0    100      0 (65020) 64601 64611 i

*  5.133.64.0/18    103.127.255.251          0    100      0 (65020) 64603 64604 i

*  5.200.128.0/17   103.127.255.251          0    100      0 (65020) 64603 64605 i

* i24.30.224.0/19   24.30.255.251            0    100      0 64711 i

*  45.64.0.0/10     45.127.255.251           0    100      0 (65020) 64601 i

*  103.64.0.0/10    103.127.255.251          0    100      0 (65020) 64603 i

Inbound looks fine at I64602-21.

I64602-21#show ip bgp neighbors 23.255.255.251 advertised-routes

Total number of prefixes 0

ititie

额。3天了都，我和小伙伴们都惊呆了~

有结果了没？环境还在否？

I64602-21 上 deb ip bgp 23.255.255.251 upd 有啥信息

ccna_candidate

ititie 发表于 2013-7-24 13:08
额。3天了都，我和小伙伴们都惊呆了~

有结果了没？环境还在否？

next-hop reachability的问题
把next-hop都加到IGP里面就好了

ititie

ccna_candidate 发表于 2013-7-24 17:56
next-hop reachability的问题
把next-hop都加到IGP里面就好了

是，21  bgp表都没有> best优选，自己都不走的路径，也就不通告了

ititie

ccna_candidate 发表于 2013-7-24 17:56
next-hop reachability的问题
把next-hop都加到IGP里面就好了

这么大的拓扑，用什么服务器跑的模拟器

可以搞得动多少台啊  

ccna_candidate

ititie 发表于 2013-7-24 18:30
这么大的拓扑，用什么服务器跑的模拟器

可以搞得动多少台啊

core i7 4核的本  cpu在70%-80%吧