Re: OT: 7609S Feature Manager and WCCP

From: Johnny Morris <johnnymorris01_at_gmail.com>
Date: Sun, 15 Sep 2013 07:59:39 -0400

I had a similar issue and removing the catch all permit statement in pbr
fixed the high cpu interrupt. by default pbr will perform destination
routing if it doesnt match anything in pbr. Try removing your permit catch
all statement in pbr.
On Sep 15, 2013 6:12 AM, "Mohammad Moghaddas" <moghaddas.it_at_gmail.com>
wrote:

> Dear all,
>
> sorry for posting an OT.
>
> I've faced an issue on 7609-S router, which its engine is RSP720-3C-GE .
> On one of the RSP's Gigabit interfaces, we *had "*wccp redirect in"
> configured. After a topology redesign, we removed all wccp configurations
> on the router, and configured PBR on the same interface.
> The PBR has 4 sequences, each one of the first 3 sequences is matching a
> different ACL (each has 3 ACEs referring to /24 subnets) and sets the
> "ip *default
> *next-hop" of the traffic to different next-hops than the default route,
> and the last sequence permits all other traffic.
> After removing all wccp configurations and implementing PBR, the CPU usage
> of the RP (interrupt) has increased to 80% . When the PBR is removed, it
> decreases to 1% .
> The input traffic on the interface is just about 150Mbps, and the output is
> around 300Mbps.
>
> I went through lots of documents, and reached to Feature Manager.
> Surprisingly, when I issue "sh fm wccp inband" and other related commands,
> I still see the WCCP is the feature which bumps the interface.
>
> HT-CoreRT#sh fm wccp inband
> Current Slot Mask is 20
> Cache-Engine address: aaaa.bbbb.cccc at H/W adjacency:
> Slot 5: 524290
> Cache-Engine address: aaaa.bbbb.cccc at H/W adjacency:
> Slot 5: 524291
> Cache-Engine address: 192.168.64.6 at H/W adjacency:
> Slot 5: 524292
> Cache-Engine address: 192.168.64.6 at H/W adjacency:
> Slot 5: 524293
> Cache-Engine address: 192.168.64.6 at H/W adjacency:
> Slot 5: 524294
> Cache-Engine address: aaaa.bbbb.cccc at H/W adjacency:
> Slot 5: 524295
>
> I've cleared the hardware logic of the interface, cleared all fm related
> things, cleared CEF, enabled and re-enabled WCCP and PBR, and etc.
> The last resort of solution would be reload, but I wish not to.
>
> Hope you can help me.
>
> Regards,
> Mohammad
>
>
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Received on Sun Sep 15 2013 - 07:59:39 ART

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