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Routing

Hello All,

 

I have an coreswitch in a facility. This coreswitch is the primary POP for all the Internet traffic. In the uplinks there are Internet Firewall and an Internet Router. 

This is the metro link set up. Assume A is primary POP for Internet and B is primary POP for MPLS traffic and viceversa.

 

Questions:

1. There are BGP running between coreswitch and Internet router. If i give show IP route, the route is learned through external BGP. 

Routing entry for 161.178.227.0/24
Known via "bgp 65420", distance 20, metric 0
Tag 65500, type external
Last update from 203.99.192.23 00:33:06 ago
Routing Descriptor Blocks:
* 203.99.192.22, from 203.99.192.22, 00:33:06 ago
Route metric is 0, traffic share count is 1
AS Hops 1
Route tag 65500
MPLS label: none

 

How does the route is learned, does it pass through the firewall and back back to core switch?

 

Thanks

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Re: Routing

You should really post more details about your configuration as the question is unclear.

Please paste the BGP configuration on your core switch.