IPIP tunneling from 2.2.7 to 2.0.36 ?

Harald Koenig (koenig@tat.physik.uni-tuebingen.de)
Sun, 1 Aug 1999 11:32:50 +0200


a fried tried to upgrade one `end' of a working IPIP tunnel from 2.0.36 to 2.2.7
(the other side can't be rebooted/upgraded yet) and now IPIP tunneling
doesn't work anymore.

to be more exact: it works fine from the 2.0.x side (telnet/ping is ok)
but starting from the 2.2.x side there is no response to ping or telnet or whatever.

are there any incompatibilities between 2.0.x and 2.2.x tunneling, or can this
be a configuration error ? device setup and routing seems to be ok from what
he explained and told me on the phone).

thanks for any ideas/hints,

Harald

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