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Re: ipv6 tunnel to ec2 instances



Greg Troxel <gdt%ir.bbn.com@localhost> wrote:
> 
>   I can see no IPv6 traffic at all.
> 
> Do you mean
 
>   tcpdump on xennet0 shows no incoming tunneled packets (when you ping
>   from somewhere else)
> 
>   tcpdump on gif0 shows no incoming packets taken out of the tunnel

This (both).

I do see outgoing IPv6 on gif0:

15:43:56.978799 IP6 2001:470:1c:7e2::2 > 2001:470:1c:7e2::1: ICMP6, echo 
request, seq 0, length 16
15:43:57.980486 IP6 2001:470:1c:7e2::2 > 2001:470:1c:7e2::1: ICMP6, echo 
request, seq 1, length 16
15:43:58.980457 IP6 2001:470:1c:7e2::2 > 2001:470:1c:7e2::1: ICMP6, echo 
request, seq 2, length 16


as well as outgoing on xennet0:

15:46:32.185894 IP 23.21.27.15 > 216.66.38.58: IP6 2001:470:1c:7e2::2 > 
2001:470:1c:7e2::1: ICMP6, echo request, seq 0, length 16
15:46:33.190511 IP 23.21.27.15 > 216.66.38.58: IP6 2001:470:1c:7e2::2 > 
2001:470:1c:7e2::1: ICMP6, echo request, seq 1, length 16
15:46:34.190455 IP 23.21.27.15 > 216.66.38.58: IP6 2001:470:1c:7e2::2 > 
2001:470:1c:7e2::1: ICMP6, echo request, seq 2, length 16
15:46:35.190484 IP 23.21.27.15 > 216.66.38.58: IP6 2001:470:1c:7e2::2 > 
2001:470:1c:7e2::1: ICMP6, echo request, seq 3, length 16

But I see no incoming packets on either xennet0 nor gif0, neither the
echo reply nor, if pinged from the outside, the echo request.

-Jan

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