[squid-users] Squid with ASR9001
Yuri Voinov
yvoinov at gmail.com
Mon Oct 24 19:05:21 UTC 2016
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Ah - in Squid's wiki don't pay attention on Variant III.
This is minimalistic topology, main goal was as minimum hardware units
as possible (for cost minimization).
Also VRF-variant still in progress. We can't solve DNS proxying task as
required yet.
25.10.2016 0:44, Eliezer Croitoru пишет:
> Well I do agree on most of the things but it seems that CPU is missing in
> some devices and there for a simpler protocol is better but…. CPU…
> Admins in many cases do not use their own to understand the complexity but
> from what I do see in the jobs market employers expect the unexpected.
> Or if to be more accurate: They expect a mage which knows and understand
> every single protocol language and piece of hardware.
>
> Can you gather me what ever documentation on the WCCP protocol?
> I want to see how simple it would be to implement the same concepts
with an
> HTTP\tcp interface.
>
> Eliezer
>
> ----
> Eliezer Croitoru <http://ngtech.co.il/lmgtfy/>
> Linux System Administrator
> Mobile: +972-5-28704261
> Email: eliezer at ngtech.co.il
>
>
> From: Yuri Voinov [mailto:yvoinov at gmail.com]
> Sent: Monday, October 24, 2016 21:07
> To: Eliezer Croitoru <eliezer at ngtech.co.il>; 'Garth van Sittert | BitCo'
> <garth at bitco.co.za>; squid-users at lists.squid-cache.org
> Subject: Re: [squid-users] Squid with ASR9001
>
>
> No.
>
> 24.10.2016 23:40, Eliezer Croitoru пишет:
> > And why would you want this
> exactly?
>
> > The most simple thing is to use routing policy and to monitor
> the proxy in
>
> > a much higher level then WCCP.
> Based on my personal experience with WCCP (over 6 years). PBR is VERY
> router's CPU consumpted.
> WCCP - is not (L2, not GRE. GRE performs on CPU, L2 on control-plane and
> hardware-accelerated).
>
> However, using edge router for WCCP is not so good idea by another reason.
> It breaks good network architecture in most cases. I'm not CCA, but
ever for
> me it's obvious.
>
> So, underlying aggregations switches is more appropriate target for WCCP,
> because of they can be uses L2 WCCP - which is extremely fast.
>
> > For example fetch a web page or
> a statistics page every 10 seconds.
>
> > It’s considered pretty right in the industry.
>
> > For routers it’s a whole another story but for a rock solid
> system I do not
>
> > believe WCCP is a must.
> Depending of router. Branch router must have. Just take a look on whole
> Cisco's router's range. Just for interest.
>
> > Any juniper and Cisco + others
> these days do not rely on WCCP since it’s
>
> > considered a hassle to maintain.
> Cats delicious. You just do not know how to cook them :)
>
> WCCP is a very simple protocol. While there may be poorly documented.
There
> is another problem - very few people well versed in networking
technologies,
> few details delves into what makes. The vast majority simply copy-paste
> configs without a single thought in his head, not bothering to understand.
>
> What is there to maintain? Just configure it once and sit on the ass
> straight.
>
>
> > Eliezer
>
>
>
> > ----
>
> > Eliezer Croitoru <http://ngtech.co.il/lmgtfy/>
> <http://ngtech.co.il/lmgtfy/>
>
> > Linux System Administrator
>
> > Mobile: +972-5-28704261
>
> > Email: eliezer at ngtech.co.il <mailto:eliezer at ngtech.co.il>
>
>
>
>
>
> > From: squid-users
> [mailto:squid-users-bounces at lists.squid-cache.org] On
>
> > Behalf Of Yuri
>
> > Sent: Monday, October 24, 2016 14:06
>
> > To: Garth van Sittert | BitCo <garth at bitco.co.za>
> <mailto:garth at bitco.co.za> ;
>
> > squid-users at lists.squid-cache.org
> <mailto:squid-users at lists.squid-cache.org>
>
> > Subject: Re: [squid-users] Squid with ASR9001
>
>
>
> > Ha, it seems ASR9000 really does not support WCCP exactly.
> You right.
>
>
>
> > WCCP supported on Nexus, on ASR1000... So, your router only
> can use PBR or
>
> > analoquie.
>
>
>
> > The only idea is to buy 3750 as aggregation switch, config
> WCCP on it and
>
> > connect to your ASR by fiber trunk.
>
> > 24.10.2016 16:30, Garth van Sittert | BitCo пишет:
>
>
>
> > By Cisco employee - “Correct, there is no WCCP and no plans
> for it
>
> > either... :(”
>
>
> https://supportforums.cisco.com/discussion/12227051/ios-xr-and-wccp
>
>
>
> > WCCP supported platforms –
>
>
>
>
>
https://supportforums.cisco.com/document/133201/wccp-platform-support-overv
> i
>
> > ew
>
>
>
> > Our ASR9001 has no commands that support wccp anywhere…
>
>
>
>
>
>
>
>
>
>
>
> > Garth van Sittert | Chief Executive Officer
>
> > (BSC Physics & Computer Science)
>
> > Tel: 087 135 0000 Ext: 201
>
> > garth at bitco.co.za <mailto:garth at bitco.co.za>
> <mailto:garth at bitco.co.za> <mailto:garth at bitco.co.za>
>
> > bitco.co.za <http://www.bitco.co.za/> <http://www.bitco.co.za/>
>
>
>
>
> > From: Yuri [mailto:yvoinov at gmail.com]
>
> > Sent: Monday, 24 October 2016 12:12 PM
>
> > To: Garth van Sittert | BitCo <garth at bitco.co.za>
> <mailto:garth at bitco.co.za>
>
> > <mailto:garth at bitco.co.za> <mailto:garth at bitco.co.za> ;
> squid-users at lists.squid-cache.org
> <mailto:squid-users at lists.squid-cache.org>
>
> > <mailto:squid-users at lists.squid-cache.org>
> <mailto:squid-users at lists.squid-cache.org>
>
> > Subject: Re: [squid-users] Squid with ASR9001
>
>
>
>
>
>
>
> > 24.10.2016 13:16, Garth van Sittert | BitCo пишет:
>
> > Yes, it looks like all of the ASR9000 range which makes use
> of IOS XR no
>
> > longer supports WCCP.
>
> > Please, provide prooflink from Cisco.
>
>
>
>
>
>
>
> > Policy Based Routing has been replaced by ACL Based
> Forwarding or ABF.
>
> > So? This is therminology difference, if any.
>
>
>
>
>
>
>
>
>
>
>
>
>
> > From: squid-users
> [mailto:squid-users-bounces at lists.squid-cache.org] On
>
> > Behalf Of Yuri Voinov
>
> > Sent: Sunday, 23 October 2016 9:35 PM
>
> > To: squid-users at lists.squid-cache.org
> <mailto:squid-users at lists.squid-cache.org>
>
> > <mailto:squid-users at lists.squid-cache.org>
> <mailto:squid-users at lists.squid-cache.org>
>
> > Subject: Re: [squid-users] Squid with ASR9001
>
>
>
>
>
>
>
>
>
> > 23.10.2016 23:16, Garth van Sittert | BitCo пишет:
>
>
>
>
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>
>
>
> > > Good day all
>
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> > > Has anyone had any experience setting up Squid
> with any IOS
>
> > XR Cisco routers? The Cisco ASR9000 range doesn’t
> support WCCP
>
> > and I cannot find any examples online.
>
>
>
>
>
>
>
>
>
> > Seriously, the entire range?
>
>
>
> > Who said that it does not support WCCP? It is obligation to
> support, if
>
> > only because it is not a home dish soap. That's when Cisco
> write the
>
> > documentation that does not support - and then we cry.
>
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> > > I have also found quotes regarding PBR on the
> ASR9000… “With
>
> > IOS XR traditional policy-based routing (PBR) is
> history”
>
>
>
>
>
>
>
>
>
> > It's crazy city a forum talking about? PBR - is a fundamental
> functionality
>
> > for the router. Especially for the router at this level. I
> somehow difficult
>
> > to imagine a company that completely cuts down the business
> by releasing
>
> > incompatible with what device. This is only possible in the
> OpenSource. But
>
> > not in huge IT-business company. AFAIK.
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> > > I plan to use this on our 10Gbps ISP traffic to
> improve
>
> > customer experience…
>
>
>
>
>
>
>
>
>
> > There is no examples because the solutions of such a level
> rarely use
>
> > Squid. Personally, I do not have a machine to play and write
> an example to
>
> > Squid's wiki. As you know, Christmas is not the wife of a
> router is present
>
> > as trinkets.
>
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> > > Garth
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> > > BitCo Email Footer
>
>
>
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> > > _______________________________________________
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- --
Cats - delicious. You just do not know how to cook them.
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