Re: Router Advertisements Ignored
jobhunts02
Wed Jan 24 00:42:33 2018
I have flushed all the ip6tables rules and dhcpcd is still not seeing the RA’s. Any suggestions where to look for the RA’s being dropped?
Thank you.
> On Jan 20, 2018, at 3:05 AM, Roy Marples <roy@xxxxxxxxxxxx> wrote:
>
>> On 20/01/2018 01:06, Roy Marples wrote:
>>> On 19/01/2018 23:50, jobhunts02@xxxxxxx wrote:
>>> According to tcpdump, I am receiving router advertisements in response to my router solicitations (see below), but dhcpcd.log reports "eth1: no IPv6 Routers available."
>
> Thanks for sending the log and binary capture off list.
> Here are two issues from the log:
>
> eth1: if_disable_autolinklocal: Operation not supported
> This implies a mismatched kernel with your source headers or something like grsec. It's not really important, dhcpcd should still work fine.
>
> dhcpcd already running on pid 9521 (/var/run/dhcpcd-eth1.pid)
> Something is trying to start dhcpcd in the background a lot. What are you using to start dhcpcd?
>
> The binary capture itself is fine - I loaded it up in a test dhcpcd and it gave me an address and route as if from your router.
> So there is something in the way of dhcpcd and the packet - most likely a firewall.
>
> Roy
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