About Evan Kisbey

Evan Kisbey · 12-21-2012

We're fighting an issue with a 3660 router (fitted with a pair ot 2-port T1/E1 cards and four NM-24DM sleds) being used as a dial-up remote access platform. Over time, we see an increasing number of dial-in attempts fail to authenticate.What happens...

Evan Kisbey · 10-03-2012

I'm battling an interesting issue on a pair of 7206 NPE-G1 routers running 15.0(1)M9. I've not tried doing active/standby gateways before where static NAT was involved, but I *think* I understand it as applied here.The routers involved have HSRP on ...

Evan Kisbey · 01-02-2013

So, some progress on this. An individual modem can be restored to function by issuing the following commands, effectively pulling out the altered settings: session-timeout 2 output absolute-timeout 10 exec-timeout 0 0 default exec-timeout default...

Evan Kisbey · 12-28-2012

An interesting observation;When one of the modems goes bad, in order to postpone a reboot and minimize customer impact, we will issue a "modem bad" statement on the afflicted line (for example, line 110) to prevent further calls hitting that modem. ...

Evan Kisbey · 12-21-2012

Oddly, I've noticed that the autoconfigure string fails on these hung modems:138048: *Dec 21 18:50:18.553: TTY195: restoring DTR138049: *Dec 21 18:50:18.553: TTY195: autoconfigure probe started138050: *Dec 21 18:50:18.553: TTY195: Modem command: --A...

Evan Kisbey · 12-21-2012

Saw that;(config-line)#timeout login response 300results in;134681: *Dec 21 18:31:13.311: TTY195: create timer type 10, 300 secondsCall still fails in identical fashion. So while the "0" seconds timer indeed may be symptomatic, it is apparently not ...

Evan Kisbey · 10-17-2012

Curiously, the configuration worked after a reboot of the chassis following a crash dump triggered by physically unplugging one of the ports in the course of troubleshooting. Now the unsolicited/gratuitous arps are occuring as expected, and everythi...

Member Since	‎10-03-2012 05:08 PM
Date Last Visited	‎08-18-2017 03:55 AM
Posts	7
Total Helpful Votes Received	5

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3660 with Digital modems progressive failure, cleared with reload

HSRP, NAT, and ARP

Re: 3660 with Digital modems progressive failure, cleared with r

Re: 3660 with Digital modems progressive failure, cleared with r

Re: 3660 with Digital modems progressive failure, cleared with r

Re: 3660 with Digital modems progressive failure, cleared with r

HSRP, NAT, and ARP