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TCC_2
Level 10
Level 10

Core Issue

Sometimes the gatekeeper (GK) rejects the location if all calls between endpoints are proxied.

Toplogy


endpoint-------cmsite (GK)-------gatekeeper (GK)--------endpoint

Resolution

The rule action use-proxy proxy pattern-list number global configuration command can be used in order to configure only one proxy for a particular pattern list. If an attempt is made to configure a second proxy for the same pattern list, for example, pattern list 1, an error message appears that indicates the rule entry already exists:

Router(config)#rule action use-proxy 8080 pattern-list 1

Router(config)#rule action use-proxy 8080 pattern-list 1

Rule entry is duplicate

Rule use-proxy exists with IP: .Please remove it and reconfigure

When rule action use-proxy is configured with the failover qualifier, first it tries to connect to the proxy configured in use-proxy. If it fails, it falls back to the outgoing proxy, configured through the http proxy outgoing hostcommand. If the use-proxy feature is configured without failover, for example, the rule action use-proxy pattern-list 1 command is issued, the router sends the request to the use-proxy, the server with the IP address. If the router does not obtain a response from the use-proxy, it sends an error message to the client without failing over to the HTTP outgoing proxy.

If the use-proxy feature is configured with failover, for example, the rule action use-proxy failover pattern-list 1 command is issued, the router sends the request to the use-proxy, the server with the IP address. If the routers does not obtain a response from the use-proxy, it fails over to the specified HTTP outgoing proxy, the server that is specified as the primary outgoing host with the http proxy outgoing host 8080 primary global configuration command.

In order to fix the problem, remove the use-proxy behavior. Issue the no use proxy command in order to do this. The GKs possibly use the proxy in order to route the terminal calls, and since there is no proxy, the calls fail.

Problem Type

Gateway or module

Call connection  (Connection quality: One-way audio, no busy tone, dropped calls, etc.)

Signaling Protocol

H323

Gatekeeper

IOS H.323 gatekeeper

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