[j-nsp] JunOS forwarding IPv6 packets with link-local source

Antti Ristimäki via juniper-nsp <[email protected]> Thu, 16 May 2024 21:22:20 +0300

Newsgroups	gmane.network.nsp.juniper
Message-ID	<CAKicue9zMXEWVWFzS41YGcwYPSRUF4mLX6WVqA6LZwS5M3KFUQ@mail.gmail.com>

Hello,

I thought this issue had been resolved already years ago, but I
noticed that JunOS still happily forwards IPv6 packets with link-local
source address towards remote destinations. This of course violates
RFC4291. Also recent JunOS releases seem broken, tested with e.g. 21.4
and 23.2.

Does anyone have any insight into this? This issue was discussed on
this list already over 10 years ago, for example:
https://puck.nether.net/pipermail/juniper-nsp/2012-April/023134.html

Antti
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