Time to add 2002::/16 to bogon filters?
Job Snijders
job at ntt.net
Mon Jun 18 21:08:05 UTC 2018
Dear all,
TL;DR: Perhaps it is time to add 2002::/16 to our EBGP bogon filters?
It is kind of strange that in the default-free zone (where we don’t
announce defaults to each other) - we will propagate what is effectively an
IPv4 default-route, in the IPv6 DFZ.
IETF has politely abandoned the prefix:
https://tools.ietf.org/html/rfc7526
Wes George highlighted operational problems from accepting 2002::/16 on the
data-plane slide 6:
http://iepg.org/2018-03-18-ietf101/wes.pdf
Is there still really any legit reason left to accept, or propagate,
2002::/16 on EBGP sessions in the DFZ?
Kind regards,
Job
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