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Beginner

eBGP multihop between Cisco routers and Palo

Hello,

 

I'm trying to setup eBGP between my on premise routers (RTR A/RTR B) and Firewall (Palo HA) pair hosted in AWS.  On premise devices (RTR A and RTR B) connect to AWS cloud router (RTR C) via Megaport connections (2 /30 point to point networks).    Is the update source command required?

 

This is what I'm thinking but I need to know if I'm missing something.  You may assume that I have network reachablility to ASN 3 already.

 

 

RTR A#

router bgp 1

neighbor x.x.x.x remote-as 3

neighbor x.x.x.x ebgp-multihop 2

 

RTR B#

router bgp 1

neighbor x.x.x.x remote-as 3

neighbor x.x.xx. ebgp-multihop

 

 

 

 

setup.PNG

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2 REPLIES 2
Hall of Fame Expert

Re: eBGP multihop between Cisco routers and Palo

Hello davinci,

are you sure that the Palo alto directly connects to routerC ?

if it is in cloud this can even change over time.

I would suggest you to setup the eBGP sessions using an higher multihop like 10 on both routers and also on the Palo alto devices as well.

 

Hope to help

Giuseppe

 

 

 

Beginner

Re: eBGP multihop between Cisco routers and Palo

Yes, RTR C and PaloA are in same AWS VPC and they have direct IP connectivity between them  based upon statements by cloud architects. 

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