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Trace route in S7906E

jcarlos
Occasional Advisor

Trace route in S7906E

Im trying to do a Traceroute but the S7906E ip interfaces dont answer the traceroute.but i can see the next hop after the core switch S7906E



What can i do to enable the tracerRoute

6 REPLIES
jcarlos
Occasional Advisor

Re: Trace route in S7906E

I have one pc conected to a Vlan 3 with ip 192.168.3.15 the vlan ip interface is the 192.168.3.1 and the vlan where is the firewall is the vlan 5, the ip interface of vlan 5 is 192.168.5.1 and the firewall is 192.168.5.254. When i do a traceroute since the PC to some site out of my lan , the output is



 



1  *******



2  1 ms     1 ms     1 ms  192.168.5.254



3  15 ms     10 ms     6 ms  X.y.Z.W



 



but the IP interfaces of the core dont answer the tracerroute, how can i enable the traceroute  to answer my traceroute requests?



 



Fred_Mancen_1
Super Advisor

Re: Trace route in S7906E

Are you using some dynamic routing protocol or only static and default routes?



Regards



jcarlos
Occasional Advisor

Re: Trace route in S7906E

I am using only static and default routes.

Fred_Mancen_1
Super Advisor

Re: Trace route in S7906E

Some weeks ago another technician was facing a similar issue with a 4800G OSPF network; he solved the question implementing the commands:


ip unreachables enable


ip ttl-expires enable



Maybe you can try these commands in order to solve your problem also.



HTH




jcarlos
Occasional Advisor

Re: Trace route in S7906E

Thanks, thats commands works fine.  Problem resolved. 



Fred_Mancen_1
Super Advisor

Re: Trace route in S7906E

Great!



Regards.