Monday, April 23, 2018

Adding IPv6 to existing BGP peering

We've recently been issued our first Public IPv6 range by ARIN and I'm looking to add it to our existing ISP peering.

I'm still very green when it comes to IPv6 and suddenly I have to get up to speed very fast...

Our peering is pretty straight forward, single ISP and we are only accepting the default route for now.

Looking for best practice suggestions for the setup.

  • Should include anything in my prefixes aside from the IPv6 range itself and the routes I accept?

  • Any issues with my transit route to my ISP being IPv4?

  • Is it just a matter of me creating my new internal interface and adding my IPv6 neighbor + network statements?

Current Cisco router config:

router bgp XXXXX

bgp router-id IP address

bgp log-neighbor-changes

neighbor ISPRouter remote-as XXXX

neighbor ISPRouter password 7 12345

neighbor ISPRouter timers 30 90

address-family ipv4

 network **Range** neighbor **ISPRouter** activate neighbor **ISPRouter** send-community both neighbor **ISPRouter** next-hop-self neighbor **ISPRouter** soft-reconfiguration inbound neighbor **ISPRouter** route-map ISP-in in neighbor **ISPRouter** route-map ISP-out out 

exit-address-family



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