[c-nsp] High CPU ME3600-X

[Waris Sagheer (waris)]

On ME3800X/ME3600X/3600X-24CX, I would recommend moving to 15.2(4)S2 or
upcoming 15.2(4)S3 release.

Best Regards,

Waris Sagheer
Technical Marketing Manager
Service Provider Access Group
waris at cisco.com
Phone: +1 408 853 6682
Mobile: +1 408 835 1389

CCIE - 19901

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On 1/28/13 6:51 AM, "David Farrell" <david at david-farrell.net> wrote:

>Just to add my £0.02 worth.
>
>We've been hit by issues in 15.2(2)S with respect to memory leaks in SSH
>and also wacky forwarding behaviour in bridge-domains where
>double-tagged frames are involved.
>
>Not fun, but looking good thus far on 15.2(4)S2.
>
>David.
>
>On 28/01/13 14:21, Jason Lixfeld wrote:
>> Both are relatively new platforms.  9K a little more mature than the
>>ME3600, although terminating a bunch of customers on an ASR9K is
>>probably not a wise idea yet, given the fact that ISSU is still not
>>there :(
>>
>> On 2013-01-28, at 3:41 AM, Fredrik Vöcks <fredrik.vocks at bredband2.se>
>>wrote:
>>
>>> Yes that seems to solve it.
>>>
>>> We have invested in ME3600-X and ASR90xx for future scalability. In
>>>the big picture its awesome but on a personal level it has made me
>>>understand what it felt like being a Windows admin 10 years ago.
>>>
>>> /F
>>>
>>> On 27 January 2013 20:27, Jason Lixfeld <jason at lixfeld.ca> wrote:
>>> I had the same issue.  Seems to be the result of CSCua60395, at least
>>>it was in our case.
>>>
>>> One thing - I'd suggest getting off of 15.2(2)S as soon as possible.
>>>I've had numerous issues with this train (including S1) - random
>>>lockups of switches (no bug id) requiring power cycle and MPLS issues
>>>TAC *thinks* they have identified as CSCtz16622 which is fixed in
>>>15.3(1)S, but they aren't sure :|
>>>
>>> On 2013-01-27, at 4:32 AM, Fredrik Vöcks <fredrik.vocks at bredband2.se>
>>>wrote:
>>>
>>>> Hi,
>>>>
>>>> Im seeing high CPU utilisation on one of our ME3600-X devices. Trying
>>>>to
>>>> understand what is causing it but my googlefu seems weak.
>>>>
>>>> Anyone knows what the 'AC Switch' process is responsible for?
>>>>
>>>> #sh proc cpu sorted
>>>> CPU utilization for five seconds: 48%/27%; one minute: 49%; five
>>>>minutes:
>>>> 50%
>>>> PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY
>>>>Process
>>>> 156    47467992   229585577        206 19.03% 18.44% 18.39%   0 AC
>>>>Switch
>>>>
>>>>
>>>> #sh ver
>>>> Cisco IOS Software, ME360x Software (ME360x-UNIVERSAL-M), Version
>>>> 15.2(2)S1, RELEASE SOFTWARE (fc1)
>>>>
>>>> Regards,
>>>>
>>>> /F
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>>
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