WCCP V2 and SUP720 122-33.SXI1

Unanswered Question

Hi,

I am having difficulty enabling WCCP outbound redirection on a Cat6509-E 720 10GE and a Bluecoat Proxy SG800.

The 6509 is running 12.2(33)SXI1 and has the following WCCP config:

ip wccp web-cache redirect-list 120

int vlan XXX

ip wccp web-cache redirect out

The Bluecoat has the following config:

wccp enable

wccp version 2

service-group web-cache

forwarding-type GRE

interface 0

interface 1

home-router 193.131.222.65

sh ip wccp

Global WCCP information:

Router information:

Router Identifier: -not yet determined-

Protocol Version: 2.0

Service Identifier: web-cache

Number of Service Group Clients: 0

Number of Service Group Routers: 0

Total Packets s/w Redirected: 0

Process: 0

CEF: 0

Redirect access-list: 120

Total Packets Denied Redirect: 0

Total Packets Unassigned: 0

Group access-list: -none-

Total Messages Denied to Group: 0

Total Authentication failures: 0

Total Bypassed Packets Received: 0

sh ip wccp web-cache detail

WCCP Client information:

WCCP Client ID: 193.131.222.66

Protocol Version: 2.0

State: NOT Usable (Initializing)

Redirection: L2

Packet Return: L2

Packets Redirected: 0

Connect Time: 00:00:09

Assignment: MASK

WCCP Client ID: 193.131.222.67

Protocol Version: 2.0

State: NOT Usable (Initializing)

Redirection: L2

Packet Return: L2

Packets Redirected: 0

Connect Time: 00:00:09

Assignment: MASK

I noticed that the detail command showed the redirection method as L2, so changed the Bluecoat L2 as well. This had no effect.

Any advice would be appreciated.

Thanks, James.

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Giuseppe Larosa Tue, 07/14/2009 - 05:31

Hello James,

L2 redirection is more efficient and both routers and caches have to agree on the redirection encapsulation.

I don't like the line:

Router Identifier: -not yet determined-

see

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/wccp.html#wp1000966

OR

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/wccp.html#wp1000966

It may take some time aftet the change you did.

Are you using or the blue coat think to use a multicast group ?

Are the caches in a separate vlan/subnet ?

Hope to help

Giuseppe

Hi Giuseppe,

Thanks for your reply.

The Bluecoat has the physical address of the VSS configured, so I am not using a multicast group.

Router Identifier seems to indicate I need to specific the Bluecoat proxy address on the Cisco. Or that the VSS has not dynamically learnt it via WCCP...

The caches are physically connected to an access layer switch. But the L3 interface is on the VSS (directly connected), so it is not a routed connection.

Thanks,

James.

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