Link-local and ACLs

[Tore Anderson]

* Brian E Carpenter

> So, I'm not aware of any realistic case where this happens, or any
> reason for it.

As Gert already pointed out: Neighbour Discovery.

A few examples from an IX near me:

23:06:11.020045  In IP6 fe80::8678:acff:fe66:80db > 2001:7f8:12:1::3:9029: ICMP6, neighbor solicitation, who has 2001:7f8:12:1::3:9029, length 32
23:06:11.563763  In IP6 fe80::aa0c:dff:fe71:5768 > 2001:7f8:12:1::3:9029: ICMP6, neighbor solicitation, who has 2001:7f8:12:1::3:9029, length 32
23:06:29.958824  In IP6 fe80::92e2:baff:fe3f:7665 > 2001:7f8:12:1::3:9029: ICMP6, neighbor solicitation, who has 2001:7f8:12:1::3:9029, length 32
23:06:34.239488  In IP6 fe80::523d:e5ff:fe89:4ec4 > 2001:7f8:12:1::3:9029: ICMP6, neighbor solicitation, who has 2001:7f8:12:1::3:9029, length 32
23:06:45.177659  In IP6 fe80::2c1:64ff:fe60:380 > 2001:7f8:12:1::3:9029: ICMP6, neighbor solicitation, who has 2001:7f8:12:1::3:9029, length 32

Tore