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

2024-05-17 Thread Antti Ristimäki via juniper-nsp
Hi On Fri 17. May 2024 at 13.05, Daniel Verlouw wrote: > Hi, > > On Thu, May 16, 2024 at 8:22 PM Antti Ristimäki via juniper-nsp > wrote: > > I thought this issue had been resolved already years ago, but I > > noticed that JunOS still happily forwards IPv6 packets with link-local > > source

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

2024-05-17 Thread Daniel Verlouw via juniper-nsp
Hi, On Thu, May 16, 2024 at 8:22 PM Antti Ristimäki via juniper-nsp wrote: > 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.

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

2024-05-17 Thread Saku Ytti via juniper-nsp
On Fri, 17 May 2024 at 10:36, Antti Ristimäki wrote: > iACL design becomes a bit more challenging if you want to keep the > link-local things link local (e.g. there are legit ND packets with > link-local srcaddr and GUA dstaddr). It is doable, though. Not disagreeing, but what are these

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

2024-05-17 Thread Antti Ristimäki via juniper-nsp
Hi, On Fri, May 17, 2024 at 9:26 AM Saku Ytti wrote: > > On Thu, 16 May 2024 at 21:23, Antti Ristimäki via juniper-nsp > wrote: > > > Does anyone have any insight into this? This issue was discussed on > > this list already over 10 years ago, for example: > >

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

2024-05-17 Thread Saku Ytti via juniper-nsp
On Thu, 16 May 2024 at 21:23, Antti Ristimäki via juniper-nsp wrote: > 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 Personally I'm not convinced I'd

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

2024-05-16 Thread Antti Ristimäki via juniper-nsp
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