We have linux based modular messaging system running behind the core router 3745 which has a point to point T1 connection to 3825. Unfortunately, when we try to do the traceroute to the other linux host sitting behind 3825 the packets drop at the router. How should I turn the UDP on for that wan interface connecting to us on 3745?
Thanks but it does know the routes to the network on which linux host resides as from my Windows machine, I could do the traceroute successfully to the linux host. We are talking about two core routers so no acl in place in-between. How should I make sure that 3825 is allowing the UDP packets to pass-thru?
UDP messages are routed inside of IP, therefore nothing needs to be done specifically to enable the routing of these UDP messages. It should just work as long as you have IP connectivity between the endpoints and no ACL in the path to block UDP traffic.
Can you provide us with the output of your unsuccessful traceroute.
A way to get more information on why the traceroute stops at the 3745 would be to do a debug ip icmp" on this router.
Hope this helps,
Harold Ritter Sr. Technical Leader CCIE 4168 (R&S, SP) firstname.lastname@example.org México móvil: +52 1 55 8312 4915 Cisco México Paseo de la Reforma 222 Piso 19 Cuauhtémoc, Juárez Ciudad de México, 06600 México
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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