Re: [v6ops] [Idr] BGP Identifier

joel jaeggli <joelja@bogus.com> Mon, 17 February 2014 20:28 UTC

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Subject: Re: [v6ops] [Idr] BGP Identifier
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On 2/15/14, 11:25 AM, David Farmer wrote:

> As an example: let's say your ROUTER_ID is 192.0.2.5 or 0xC0000205.
> Then you can use an IPv6 loopback address of 2001:db8:1::c000:205, or
> you could even used mixed notation 2001:db8:1::192.0.2.5.

You could, but you shouldn't whether it's merely shorthand or not
because ipv6 mapped ipv4 addresses and accompanying notation are are
sort of ugly representation that will be throwing junior network
operators under the bus for years to come.

http://tools.ietf.org/html/draft-itojun-v6ops-v4mapped-harmful-00