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BGP Routes are in routing table but l can not ping from a different AS

matiyahtatenda
Level 1
Level 1

Good day ALL,

 

doin a simple BGP topology with no vrfs. just to propegate the routes across the AS's. l can see the routes with the best path however am not able to ping. l have shared the topologies and my configuration file for one path, thank you in advance 

2 Accepted Solutions

Accepted Solutions

router in AS550 dont have any eBGP to AS711
also you need bgp next-hop toward the other iBGP in Routers AS5500

View solution in original post

Harold Ritter
Cisco Employee
Cisco Employee

Hi @matiyahtatenda ,

You not only need to receive prefixes from AS777, but you also need to advertise some prefixes. I do not see any network statement or redistribute statement in your BGP configuration, which is probably why you are not able to ping.

Regards,

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

View solution in original post

4 Replies 4

router in AS550 dont have any eBGP to AS711
also you need bgp next-hop toward the other iBGP in Routers AS5500

thank you sir

 

Harold Ritter
Cisco Employee
Cisco Employee

Hi @matiyahtatenda ,

You not only need to receive prefixes from AS777, but you also need to advertise some prefixes. I do not see any network statement or redistribute statement in your BGP configuration, which is probably why you are not able to ping.

Regards,

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

appreciated sir. it worked