Kernel Version : Linux 2.4
Prob Descrp : When a mobile node goes into a foreign network, it
acts as a dhcp client and gets a new address. I bind this
new address to eth0 and the mobile node's home address
to a tunnel device,the remote end of the tunnel being
the address of the home agent. The idea is to tunnel
back to home from mobile node. That way the packets that
leave the mobile node first reach the home agent and
get routed from there, as if the mobile node is at home.
Hence if i say ping w.x.y.z from the mobile node, the
out going ip packet should appear as follows
------------------------>
------ ---------------------------------------------------------
| mobile node's | | mobile node's | home agent's|
..... | home address |w.x.y.z| address obtained| address |
| | | thru dhcp | |
----- ---------------------------------------------------------
src des src des
After setting the tunnel up, i try to add a default route
to it as follows
# route add default gw (home agent's address) dev (tunnel-name)
It says Network Unreacheable.
So, i try to do this
# route add -host (home agent's address) gw (default router address
obtained thru dhcp)
dev (tunnel-name)
It says Network Unreacheable.
And some more along these lines. Nothing seems to work.
Can anybody help with this?
Thanx in advance
Sashi
Sashikiran Rachakonda
Portland, OR- 97201
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