[Csci551-talk] question about s7-1.in

Raymond Pun wpun at usc.edu
Sun May 9 23:58:51 PDT 2004


Hi,

I have a question.
from s7-1.in
we have
router --> prefix
1 --> 11.0.0.0/8
2 --> 11.0.0.0/8
3 --> 13.0.0.0/8
4 --> 14.0.0.0/8
5 --> 15.0.0.0/8
So,  both routers 1 and 2 got the prefix 11.0.0.0/8
After 1 received 3 data packets, its MED goes to 1.
The quetions is...
If router 3 is going to send packet to 11.0.0.1. It destinate the packet at
router 2. But the packet will still go to router 1 as next hop. When router
1 got this packet, will it forwards it to router 2?
>From s7-1.out, we have "2 11.0.0.0/8 2 1 (med=0)". However, router 1 also
have the prefix 11.0.0.0/8. It should consume the packet logically.
So... should router 1 still forward it? or consume it?

Thanks.

regards,
Raymond



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