15 Sep
2021
15 Sep
'21
7:31 p.m.
On 2021/09/15 19:06 , Gert Doering wrote:
On Wed, Sep 15, 2021 at 06:58:50PM +0200, Philip Homburg wrote:
My router at home gets a lot of error icmps with link local source, from quite a few hops away...
*wake up* IPv4 "link local" (169.254.*) or IPv6 LLA (fe80::)?
IPv6 link local
The latter would make me very curious what sort of intermediate devices are forwarding these (which is strictly forbidden).
As far as I know, this a well known Juniper bug where their routers forward errors ICMPs without checking whether the source address is link local. I don't know what happens to other packets with link local source. Philip