Cisco 2951 Router

[Caiden07]

I’m having constant network drop on this particular Router, it uses NW-1T3/E3 Serial Interface module for DS3 line connection. Anybody know what’s going on? Would a bad interface module causing this issue? Apologize for the photo quality.
BF25A066-7847-4B5B-8F72-4F2064905043.jpg

[nick]

WHat's on the other end of this DS3?

[MrFancyPants]

Any number of things could be going on. Too many factors and too little information to effectively troubleshoot. I concur with above, what's the peer device? Have you checked the link activity and logs on both ends? When the link goes down, is the link status up/down or down/down? That will help you determine if it's a physical port issue.

Sent from my SM-N960U using Tapatalk

[Caiden07]

Sorry it took a while, the peer device is a Cisco 7601 router. Link status for 7601 router is up and no issue for DS3 serial interface. I replace the 2951 router with same model and same configurations, it still show the same problem. This answer my original question with the serial interface hardware being bad. I think that the problem now is pointing towards the DS3 service line transport to which I don’t have access. I will try to work with the transport provider group if they can find issues.