On 18 Jan 1999, Christer Weinigel wrote:
> One other thing, is there any good documentation for the IPIP-tunnel
> device to be found, all I could find was documentation for the
> 2.0-kernels and the syntax has changed somewhat.
i'm using GRE tunneling, it requires the alan cox patches to the stock
2.2preX, and it works for the most part. there are some obscure little
issues but i hope to debug them soon.
issue a) some hosts simply don't work. i.e. http://www.bofa.com/ sub
pages won't work on a machine inside the tunnel's subnet (not the
tunnel router). packets arrive on the tunnel endpoint (ppp0) but don't
make it to eth0. so far i've only found a few sites that don't work.
they all work when accessing them from the tunnel endpoint machine.
issue b) traceroute fails because iph->ttl is always set to old_iph->ttl.
i hacked around this and unconditionally set iph->ttl to the ip statistics
default which is 64.
other than those two issues, it works most excellently. i've made some
rather crude pages at http://stuph.org/ regarding my scripts.
-d
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