Re: WCCP

From: Raghav Bhargava <raghavbhargava12_at_gmail.com>
Date: Fri, 8 Oct 2010 11:34:01 -0700

Thanks everyone for there valuable input...

On Fri, Oct 8, 2010 at 10:34 AM, Carlos G Mendioroz <tron_at_huapi.ba.ar>wrote:

> FTR, WCCPv2 supports the cache telling the router what to filter
> for a given WCCP group. The standard reservres group IDs 0 - 50 for well
> known assignments (i.e. static).
>
> These are some group numbers predefined, at least in ACNS:
>
> 0: web-cache
> 53: DNS
> 60: FTP
> 70: HTTPS
> 80: RTSP
> 81: MMST
> 82: MMSU
> 91-97: user defined
> 98: custom web (other ports)
> 99: reverse proxy
>
> Appart from those, 61/62 are for TCP based on source/destination IP (hash)
> in WAEs.
> 10/11 are for all traffic (destination/source hash) but this seems to be
> non standard (i.e. dynamic with a <50 ID).
> I've seen 50 described as DNS too.
>
> I thought that 61/62 was fixed for the routers... not so it seems, thus my
> question was kind of senseless (only static group seems to be 0).
>
> -Carlos
>
> Carlos G Mendioroz @ 7/10/2010 12:55 -0300 dixit:
>
> Is there a document describing service # -> "interesting traffic" ?
>> -Carlos
>>
>> Kambiz Agahian @ 7/10/2010 12:50 -0300 dixit:
>>
>>> Raghav,
>>>
>>> The reason that I suspected this could be a ProxySG installation is that
>>> Bluecoat guys in their demos sometimes use this particular configuration.
>>>
>>> Anyway, as far as I remember this service group arrangement works for
>>> HTTP
>>> and streaming - bear in mind; for every single vendor (e.g. Cisco WAAS
>>> goes
>>> for 61/62) you need to double check with them to see what their
>>> recommendations are. Generally speaking "yes" in many installations it
>>> does
>>> make a difference to change the position of a service number. For the
>>> service number itself, you do have to consult with that particular
>>> vendor.
>>>
>>> HTH
>>>
>>>
>>> Kambiz Agahian
>>>
>>> CCIE Instructor/Consultant
>>> M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA
>>>
>>> On Wed, Oct 6, 2010 at 10:45 PM, Raghav Bhargava <
>>> raghavbhargava12_at_gmail.com
>>>
>>>> wrote:
>>>>
>>>
>>> Hey guys,
>>>>
>>>> Its not a proxySG installation. but why i asked that was like lets say
>>>> in
>>>> your network you have various vlans on which you need to enable wccp .
>>>> Now
>>>> is it mandatory that you should create different service-groups or only
>>>> one
>>>> service -group will work for all the vlans.
>>>>
>>>> HTH
>>>>
>>>> Raghav
>>>>
>>>>
>>>> On Wed, Oct 6, 2010 at 5:58 PM, Kambiz Agahian <aussiecert_at_gmail.com
>>>> >wrote:
>>>>
>>>> If that's the case; the same story as 61/62 applies to them, the 11
>>>>> enjoys
>>>>> an assignment type based off of the source IP address while the 10 uses
>>>>> the
>>>>> destination address in the hash process.
>>>>>
>>>>> Do you know the distribution best practices? again who's the vendor of
>>>>> the
>>>>> WCCP "receiver"?
>>>>>
>>>>> HTH
>>>>>
>>>>>
>>>>>
>>>>> Kambiz Agahian
>>>>>
>>>>> CCIE Instructor/Consultant
>>>>> M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA
>>>>>
>>>>>
>>>>> On Wed, Oct 6, 2010 at 5:53 PM, Kambiz Agahian <aussiecert_at_gmail.com
>>>>> >wrote:
>>>>>
>>>>> Hi Raghav,
>>>>>>
>>>>>> Is this a ProxySG installation for streaming traffic ?
>>>>>>
>>>>>>
>>>>>> Kambiz Agahian
>>>>>>
>>>>>> CCIE Instructor/Consultant
>>>>>> M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Oct 6, 2010 at 5:20 PM, Raghav Bhargava <
>>>>>> raghavbhargava12_at_gmail.com> wrote:
>>>>>>
>>>>>> Hi Experts,
>>>>>>>
>>>>>>> Need some advise on WCCP.
>>>>>>>
>>>>>>> sample configuration:
>>>>>>>
>>>>>>> ip wccp 10 redirect-list 2
>>>>>>> ip wccp 11 redirect-list 2
>>>>>>> !
>>>>>>> interface gi0/1
>>>>>>> ip wccp 10 redirect in
>>>>>>> !
>>>>>>> interface gi0/2
>>>>>>> ip wccp 11 redirect in
>>>>>>>
>>>>>>> My question is can i use the same service number i.e 10 instead of 11
>>>>>>> under
>>>>>>> the interface gi0/2. If yes what difference will it make ??
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Warm Regards
>>>>>>> Raghav
>>>>>>>
>>>>>>>
>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>
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>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>> --
>>>> Warm Regards
>>>> Raghav
>>>>
>>>
>>>
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>>>
>>>
>>>
>>
> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>
>
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-- 
Warm Regards
Raghav
Blogs and organic groups at http://www.ccie.net
Received on Fri Oct 08 2010 - 11:34:01 ART

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