One question related:
If you run a ping to all-nodes multicast address, throught a tunnel interface
(like gif0),
Shoud they reply all the nodes reachable from the remote end in addition to the
remote end
of the gif interface ? I did not know that... If I am wrong, please explain me
this topic!
Thanks in advance.
Carla Quiblat wrote:
> ok this already works.
>
> now, i would like to set-up a tunnel between two
> ipv6/v4 pc routers... the setup is this:
>
> _________________________ ________ __________________
> | alpha | | cisco | |ph-sfc-sat.ai3.net|
> | 202.90.128.28 |ed0---| 3640 |----xl0-|202.90.129.82 |
> | fe80::280:c8ff:fe2e:616b| ------- | 2001:200:851:0: |
> ------------------------- | 201:2ff:fe60:14cf|
> -----------------
>
> connection from alpha to ph-sfc-sat is ipv4 that is why i need to setup
> tunnel between them. i tried this:
> #>gifconfig 202.90.128.29 202.90.129.82 gif0
>
> then I #>ping6 -n ff02::1%gif0
>
> and I get only one reply
> from interface ed0 and nothing from other end (ph-sfc-sat) which
> means that the tunnel doesn't work... from ipv6 FAQ, it says to check
> whether there is NAT box in between or IPv4 packet filtering... there's
> no NAT box and I don't think there's any filtering either... so can anyone
> tell me what's wrong?
>
> thanks.
> carla
>
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