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compression header ip rtp

I tryed to configure rtp header compression in the policy attached to FastEthernet and failed-

Col(config-pmap-c)#compression header ip rtp

%FastEthernet0/0 does not support IP header-compression

Why it is so?

1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Gold

Re: compression header ip rtp

With native encapsulation, nothing.

In theory you could run a VPN between routers, and run compressed IPsec on it to gain LZH compression (cRTP doesn't work with ipsec), but it seems an overkill.

Hope this helps, please rate post if it does!

3 REPLIES
Hall of Fame Super Gold

Re: compression header ip rtp

Because cRTP is not supported on ethernet - there is no standard for that.

Hope this helps, please rate post if it does!

Community Member

Re: compression header ip rtp

than what i can use to compress rtp traffic on the Ethernet links?

Hall of Fame Super Gold

Re: compression header ip rtp

With native encapsulation, nothing.

In theory you could run a VPN between routers, and run compressed IPsec on it to gain LZH compression (cRTP doesn't work with ipsec), but it seems an overkill.

Hope this helps, please rate post if it does!

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