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Seth

@mchsi.com

[IA] DHCP Renew - Every 5 minutes - RT-N56U

My router has been disconnecting every 5 minutes, renewing the dhcp constantly almost quicker than 5 minutes.

It is paired with a Linksys CM100 Modem. (The Asus RT-N56U)

It's beginning to be intolerable. I've had this modem/router for several months and this problem sometimes happens, but never like this.

Here's the general log.
Feb 7 19:09:50 detectWAN: perform DHCP release
Feb 7 19:09:50 RT-N56U: udhcpc starts
Feb 7 19:09:50 dhcp client: deconfig: lease is lost
Feb 7 19:09:50 kernel: ip_table: set wan_name=eth3
Feb 7 19:09:50 kernel: [K] track_flag=1, clean_flag=1, mm_flag=0, ipaddr=0
Feb 7 19:09:50 kernel: [K] track_flag=1, clean_flag=0, mm_flag=0, ipaddr=0
Feb 7 19:09:50 WAN Connection: WAN was exceptionally disconnected.
Feb 7 19:09:51 kernel: ip_table: set wan_name=eth3
Feb 7 19:09:51 detectWAN: perform DHCP renew


MediacomChad
Mediacom Social Media Relations Team
Premium,VIP
join:2010-01-20
Gulf Breeze, FL
kudos:75

Seth, there could be a few things causing this issue. Are you losing connection on all of your computers at the same time? If you would like to shoot me a message with your account info, I can double check nothing is wrong on the modem end.



Seth

@mchsi.com

Im not sure. I have my PC connected via ethernet cable and the rest are wireless.

I gotta go to work but Ill check back afterwards.

I imagine if the router is renewing the DHCP then all computers would lose connection.

I'm thinking the modem clashes with the router, but I dont want to replace it unless I know for sure, and what one to get to replace it.



MediacomChad
Mediacom Social Media Relations Team
Premium,VIP
join:2010-01-20
Gulf Breeze, FL
kudos:75

Keep me posted on progress.


therogue77

join:2010-11-05
Davenport, IA

reply to Seth
I have the same router. Rock solid.

Sounds like a upstream connection/modem issue.

Is the modem rebooting?

Andy



Seth

@mchsi.com

The modem requires, most of the time, a power cycle.

Re-configuring the automatic IP fixes it a lot as well.



Seth

@mchsi.com

What modem do you have the RT-n56u paired with?


jpburns

join:2012-02-09
Clive, IA

reply to Seth
I'm having very similar issues over the last week or so. My Modem is a Cisco DPC3000 and I have a Asus RT-N13U.


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