BGP Problem "forming a neighborhood"

yrwins

need some help with BGP...

im using OSPF and i can ping from 5.5.5.5 with source of 1.1.1.1 the loopback0 R1 to R5"

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rolando3321

on your 7th line you put:
neighbor 5.5.5.5 remote-as 655536

The last line shows that the AS as 655536. (You entered a extra 5)

I'm currently working on my CCNA and have little experience but at the very least I did notice that you had a a extra digit. Actually on that note, AS can be used 0-65535 - which means in total there are 65536 AS numbers but 65536 would not be a valid one.

I have gotten eBGP to work but not with using a loopback address.

R1- AS 100 - 192.168.1.1/24 -- (R1 also has a network 10.250.0.0/16 attached to it)
R2- AS 200 - 192.168.1.2/24 -- (R2 also has a network 10.100.0.0/16 attached to it)

on R1
router bgp 100
network 192.168.1.0 mask 255.255.255.0
network 10.250.0.0 mask 255.255.0.0
neighbor 192.168.1.2 remote-as 200

on R2
router bgp 200
network 192.168.1.0 mask 255.255.255.0
network 10.100.0.0 mask 255.255.0.0
neighbor 192.168.1.1 remote-as 100

Hopefully this helps...or you might be doing something that I'm not aware of/thinking of.

yrwins

wow.... thanks...

yrwins

wow...... thanks so much it's working

R1-PE(config)#router bgp 65536
R1-PE(config-router)#ne
R1-PE(config-router)#nei
R1-PE(config-router)#neighbor 5.5.5.5 re
R1-PE(config-router)#neighbor 5.5.5.5 remote
R1-PE(config-router)#neighbor 5.5.5.5 remote-as 65536
R1-PE(config-router)#ne
R1-PE(config-router)#neig
R1-PE(config-router)#neighbor 5.5.5.5
*Nov 17 14:29:32.556: %BGP-5-ADJCHANGE: neighbor 5.5.5.5 Up
R1-PE(config-router)#neighbor 5.5.5.5 update
R1-PE(config-router)#neighbor 5.5.5.5 update-source loop
R1-PE(config-router)#neighbor 5.5.5.5 update-source loopback 0
R1-PE(config-router)#add
R1-PE(config-router)#address-family f
R1-PE(config-router)#address-family fa
R1-PE(config-router)#address-family vp
R1-PE(config-router)#address-family vpnv4
R1-PE(config-router-af)#ne
R1-PE(config-router-af)#neighbor 5.5.5.5 ac
R1-PE(config-router-af)#neighbor 5.5.5.5 act
R1-PE(config-router-af)#neighbor 5.5.5.5 activate
R1-PE(config-router-af)#ne
R1-PE(config-router-af)#neighbor 5.5.5.5 sen
R1-PE(config-router-af)#neighbor 5.5.5.5 send-community ex
R1-PE(config-router-af)#neighbor 5.5.5.5 send-community extended
R1-PE(config-router-af)#end
R1-PE#configure terminal
*Nov 17 14:30:51.309: %SYS-5-CONFIG_I: Configured from console by console
R1-PE#show ip bgp summary
BGP router identifier 1.1.1.1, local AS number 65536
BGP table version is 1, main routing table version 1

Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
5.5.5.5 4 65536 6 6 1 0 0 00:01:23 0

yrwins

wow... this is this Router 5

R5-PE(config)#no router bgp
*Nov 17 14:31:11.966: %BGP-5-NBR_RESET: Neighbor 1.1.1.1 active reset (BGP Notification sent)
*Nov 17 14:31:11.969: %BGP-5-ADJCHANGE: neighbor 1.1.1.1 Up

rolando3321

Your welcome! I'm glad that you were able to get it to work. Also this was a nice boost on my own confidence that has been bruised from months of studying. I'm finally starting to see some fruit