[FROG] What's this 'interface' mean in 'neighbor' configure node ?

Vijay Kumar Gupta vijayg at vmware.com
Fri Aug 9 10:27:55 EDT 2019


“interface“ key word is used for Unnumbered IPv6 BGP session .

You don’t have use mask (/24) while configuring neighbor , looks like FRR taking “1.1.1.1/24<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2F1.1.1.1%2F24&data=02%7C01%7Cvijayg%40vmware.com%7C322d165464954bb9239f08d71cc2a279%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637009494608378718&sdata=K1MHDYGfk8Dkj%2Be6fYZhDaaPxZcPZmLtm23lk58xtRo%3D&reserved=0>” as interface name.

Thanks
Vijay

From: frog <frog-bounces at lists.frrouting.org> On Behalf Of Simon Jones
Sent: 09 August 2019 08:40
To: frog at lists.frrouting.org
Subject: [FROG] What's this 'interface' mean in 'neighbor' configure node ?

Hi all,

I found this is new in FRR compared to QUAGGA, what's this used for ? Why I should config interface first ? Is there some DOC about this ?

# neighbor 1.1.1.1/24<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2F1.1.1.1%2F24&data=02%7C01%7Cvijayg%40vmware.com%7C322d165464954bb9239f08d71cc2a279%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637009494608378718&sdata=K1MHDYGfk8Dkj%2Be6fYZhDaaPxZcPZmLtm23lk58xtRo%3D&reserved=0>
...
  interface                  Enable BGP on interface

# neighbor 1.1.1.1/24<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2F1.1.1.1%2F24&data=02%7C01%7Cvijayg%40vmware.com%7C322d165464954bb9239f08d71cc2a279%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637009494608388714&sdata=KfL%2F4CbKfWjQ9tqU4jHNJeiEa0spE%2BczOfDdbzw9Rk8%3D&reserved=0> remote-as 5001
% Create the peer-group or interface first or specify "interface" keyword
% if using an unnumbered interface neighbor

----
Simon Jones
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