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WCCPv2 and process switching

We have a 7206VXR NPE-G1 running 12.3(4r)T3.

WCCP shows the following:

Global WCCP information:
    Router information:
        Router Identifier:                   x.x.220.57
        Protocol Version:                    2.0

    Service Identifier: 80
        Number of Service Group Clients:     1
        Number of Service Group Routers:     1
        Total Packets s/w Redirected:        1249345
          Process:                           1249345
          CEF:                               0
        Service mode:                        Open
        Service Access-list:                 -none-
        Total Packets Dropped Closed:        0
        Redirect Access-list:                1
        Total Packets Denied Redirect:       913841423
        Total Packets Unassigned:            0
        Group Access-list:                   -none-
        Total Messages Denied to Group:      0
        Total Authentication failures:       0
        Total Bypassed Packets Received:     0

Everything is process switched and not CEF switched.  The config shows the following:

ip wccp check services all
ip wccp 80 redirect-list 1

and on the relevent interface:

interface GigabitEthernet0/1
ip wccp 80 redirect in
ip flow ingress
ip pim sparse-mode
no ip route-cache cef
no ip mroute-cache
duplex auto
speed 1000
media-type rj45
no negotiation auto

What needs to be fixed to make it all CEF switched and bring down the CPU from 75%?

Thanks!

1 REPLY
Hall of Fame Super Silver

Re: WCCPv2 and process switching

Hello Hank,

first of all, you can try by re-enabling CEF on the inbound interface:

interface gi0/1

ip route-cache cef

because it is currently disabled.

However, this could break WCCP service so do it during a maintanance window. it has been disabled by someone with a purpose ( or not ?)

So I would also recommend to upgrade your IOS to a 12.4T image because it is rather old

see

http://www.cisco.com/en/US/docs/ios/ipapp/configuration/guide/ipapp_wccp_ps6441_TSD_Products_Configuration_Guide_Chapter.html#wp1090519

12.2(33)SRE is recommended for VRF aware WCCP

Hope to help

Giuseppe

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