[cisco-nas] Disable modems on AS5300?

[Aaron Leonard]

Hi Charles,

You can mark modems bad on an AS5300 in a couple of
ways ... manually:

router(config)#line <begin> <end>
router(config-line)#modem bad

or automatically, you can use the "modem recovery" feature
to take modems out of service (and/or to reload portware
into them) if they have too many consecutive trainup failures
(see http://www.cisco.com/warp/public/76/modem-recovery.html .)

As far as whether these modems are truly bad (from the hardware
standpoint) ... this is very rare although not unheard.  Before you
conclude that these modems are bad, I'd recommend first that you
load the latest (2.9.5.0) portware on them and see how they do.

If you need to do further modem hardware troubleshooting, see:
http://www.cisco.com/warp/public/108/mica-hw-ts-17882.html .

Regards,

Aaron

---

Charles Gregory wrote:

>Hallo!
>
>I've got some flakey modems on an AS5300.
>sho modem indicates 66% connection success rate on 12 modems.
>
>I am trying to RTFM, to find the answers to this question, but
>in the meantime, does anyone know, off the top of their head, how to mark
>a modem bad? Also, I notice in my sho modem list that 6 modems are
>*already* marked bad. Is there any way the firmware can do this on its
>own? Or does this mean I was sold a unit with bad modems in it?
>
>Any other recommendations for testing/debugging these modems?
>Is there a possibility they just need to be 'reset' in some way?
>Or do I need to be replacing them?
>
>Thanks in advance.
>
>- Charles
>
>Relevant sho modem section......
>B 1/30  00:23:26     359     18      0      0       0   0  0 95%
>B 1/31  00:24:18     365     15      0      0       0   0  0 96%
>B 1/32  00:21:48     366     20      0      0       0   0  0 95%
>B 1/33  00:26:13     344     13      0      0       0   0  0 96%
>B 1/34  00:19:13     380     20      0      0       0   0  0 95%
>B 1/35  00:25:39     349     15      0      0       0   0  0 96%
>  1/36  00:18:43     351    181      0      0       0   0  0 66%
>  1/37  00:13:01     404    173      0      0       0   0  0 70%
>  1/38  00:18:37     339    178      0      0       0   0  0 66%
>  1/39  00:14:43     371    192      0      0       0   0  0 66%
>  1/40  00:18:12     359    180      0      0       0   0  0 67%
>  1/41  00:16:15     375    173      0      0       0   0  0 68%
>  1/42  00:16:07     362    182      0      0       0   0  0 67%
>  1/43  00:14:23     395    176      0      0       0   0  0 69%
>  1/44  00:14:44     383    186      0      0       0   0  0 67%
>  1/45  00:19:44     344    177      0      0       0   0  1 66%
>  1/46  00:15:01     388    178      0      0       0   0  0 69%
>  1/47  00:14:28     373    188      0      0       0   0  0 66%
>* 2/0   00:28:48     419     25      0      0       0   0  0 94%
>* 2/1   00:21:38     460     20      0      1       0   0  0 96%
>
>
>
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