[j-nsp] Loopback IP address in BGP Peering

Cougar cougar at random.ee
Sat Feb 28 05:31:15 EST 2009


On Sat, 28 Feb 2009, Mark Tinka wrote:

> Remember, your Loopback address takes a netmask of /32. So
> you can have as many address as you (plan to) have
> routers... with the exception of x.x.x.0 and x.x.x.255, of
> course.

What kind of exception is this? In CIDR world you can use any address you 
like except first and last _LAN_ addresses when netmask is /30 or less. 
With /31 and /32 can use any address and so far I haven't seen any 
problems using x.x.x.0 or x.x.x.255 in Junipers.

---
Cougar


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