[TriLUG] IPv6 tunnel problems

[Hrivnak, Michael via TriLUG]

How's the routing table look?

$ ip -6 route

On Mon, Mar 15, 2021 at 10:55 AM Brian via TriLUG <trilug at trilug.org> wrote:

> On 3/15/21 10:23 AM, Alan Porter via TriLUG wrote:
> >
> >> I'm still running iptables for firewalling, and have no outbound
> >> rules, and the default is accept.
> >
> > Are you running ip6tables, too?  They are completely separate, ya know.
> > It's easy to look in the wrong place when troubleshooting.
> >
>
> Sorry, yes.  I meant ip6tables.  Still, the fact that every last ipv6 TX
> packet is a TX error has me scratching my head.  That wouldn't really
> indicate a firewall problem, or would it?
>
>
> Here's my ip6tables rules, anyway:
> $ ip6tables -L
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
> ACCEPT     all      anywhere             anywhere             state
> RELATED,ESTABLISHED
> ACCEPT     ipv6-icmp    anywhere             anywhere
> ACCEPT     all      anywhere             anywhere
> ACCEPT     tcp      anywhere             anywhere             state NEW
> tcp dpt:ssh
> ACCEPT     udp      anywhere             fe80::/64            udp
> dpt:dhcpv6-client state NEW
> REJECT     all      anywhere             anywhere
> reject-with icmp6-adm-prohibited
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
> REJECT     all      anywhere             anywhere
> reject-with icmp6-adm-prohibited
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
>
> --
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