Cisco Support Community
Showing results for 
Search instead for 
Did you mean: 

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

EPC3925 upnp and eth standby issues


I have two issues with my residential router EPC3925 which uses firmware epc3925-ESIP-16-v302r125573.

The ISP has not been able to help because they have no knowledge about this stuff.


The first problem is related to the UPnP feature, when the SmartTV is connected to the network the router becomes unreachable with the effect of being impossible to use Internet with all the computers of the LAN.

The problem happens everytime that the TV or the computers send a M-SEARCH broadcast request that causes the router to be unreachable for some seconds, so even pinging it fails.

Disabling UPnP on the router doesn't solve the issue.



The second problem instead is related to the rj45 ethernet interfaces on the router because if one or more computers go in sleep mode sometimes the router will emit a high pitch noise and is completely freezed, it's necessary to switch it off and on to restore the situation.



I would like to know if these issues are known and how to fix them.



Everyone's tags (1)

Hello,Thank you for your


Thank you for your question.  However, this community is for Cisco Small Business Products and the EPC3925 is not a Cisco Small Business Product.

Your product is an internet service provider (ISP) supported product.  In other words you need to contact your ISP or technology reseller that you purchased this from to help you with your question.

Cindy Toy

Cisco Small Business Community Manager
twitter: CiscoSBsupport


Regards, Cindy If my response answered your question, please mark the response as answered. Thank you!
New Member

Hi Cindy,thanks for the reply

Hi Cindy,

thanks for the reply.

I'm sorry to have posted in the wrong section of the forum.


Does that mean that except for the ISP there is nobody else who can verify these issues and check if newer firmwares fix them, even on this forum?

The hardware and software is made by Cisco and the ISP doesn't seem much interested in solving any issue so I thought was easier to get in contact directly with Cisco.



New Member

This discussion has been

This discussion has been reposted to the CSC Content with No Valid Community to Post community .

CreatePlease login to create content