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14 Cards in this Set
- Front
- Back
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What is WCCP?
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Web Cache Communication Protocol
Cisco proprietary content routing technology. It redirects content to a local Cisco Content Engine or other proxy. |
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How does WCCP affect the end user?
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It is completely transparent. No proxy config requred.
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What version of WCCP is the default?
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2
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What command will configure WCCP version 1?
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router(config)# ip wccp version 1
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What are the restrictions of WCCP version 1?
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Version 1 only supports port 80 redirection. It also only supports one router per content engine cluster.
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What are the enhancements of WCCP version 2 over version 1?
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Version 2 supports up to 32 content engines and 32 routers in a service group.
Multicast can be used for communications. |
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What are the constraints of using multicast for WCCP v2 communications?
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All content engines in the cluster must be able to talk to all routers.
TTL of 15 or less for multicast must be used on routers. |
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What are the requirements for WCCP traffic redirection?
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Traffic redirection must be done either via GRE tunnel or direct L2 adjacency.
L2 method requires content engine and router to be on same subnet. |
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How does WCCP accomplish traffic redirection using a direct L2 adjacency?
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MAC address rewriting
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What is the base config for WCCP?
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ip wccp web-cache
int f0/0 ip wccp web-cache redirect in |
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What is the syntax to limit the WCCP content engines allowed to participate?
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router(config)# ip wccp web-cache group-list <ACL>
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What is the syntax to limit what requests are redirected via WCCP?
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router(config)# ip wccp web-cache redirect-list <ACL>
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What is the syntax to view WCCP status?
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show ip wccp web-cache
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What is the syntax to define other protocols to be redirected via WCCP?
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router(config)# ip wccp web-cache service-list <ACL>
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