Trace route question

Unanswered Question
Nov 26th, 2007

I do not understand what's happening at hop 1 and 4 on the trace results below, looks like the packet is bouncing between the two interfaces, can someone explain?

TIA

Type escape sequence to abort.

Tracing the route to cisco.com (198.133.219.25)

1 172.16.64.2 0 msec

192.168.1.2 0 msec

172.16.64.2 0 msec

2 172.16.55.4 4 msec 0 msec 0 msec

3 198.10.17.1 32 msec 48 msec 60 msec

4 172.17.65.13 28 msec

172.17.65.9 28 msec

172.17.65.13 28 msec

5 * * *

6 * * *

7 * * *

I have this problem too.
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Edison Ortiz Mon, 11/26/2007 - 18:32

Hop 4 is load-balancing the packet but neither interface is able to reach hop 5

-or-

hop 5 isn't allowing the traceroute packet /or/ you have an ACL in your router against hop 5 and the rest.

I would guess is the latter since cisco.com is up :)

nguyenvinnie Tue, 11/27/2007 - 08:29

OK, that answered my question.

Now I know the packet was bouncing between the two interfaces because of load balancing. I forgot to mentioned that hop 5 is PIX.

Thanks for your help.

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