CISCO VPN Client & Compression

Answered Question
Sep 9th, 2009

Hello,

I'm trying to understand if compression is available using a CISCO VPN client 5.x to a CISCO device (ASA, 871 etc.)

Our site has recently moved from Windows dial-in, where compression was enabled, and we have noticed the CISCO client show 'no compression'.

Thanks,

Mario

I have this problem too.
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Correct Answer by slmansfield about 4 years 7 months ago

This URL describes how to configure compression on the ASA.

http://www.cisco.com/en/US/docs/security/vpn_client/cisco_vpn_client/vpn_client500_501/administration/5vcAch3.html

Compression can be configured as a parameter within the crypto ipsec transport-set in the IOS.

http://www.cisco.com/en/US/customer/docs/ios/security/command/reference/sec_c3.html#wp1057372

Compression/decompression takes a signficant toll on the resources of the Cisco appliance if it lacks dedicated hardware for those functions. You may want to confine its use to only where it is needed for dial-up clients.

HTH

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Correct Answer
slmansfield Thu, 09/10/2009 - 07:39

This URL describes how to configure compression on the ASA.

http://www.cisco.com/en/US/docs/security/vpn_client/cisco_vpn_client/vpn_client500_501/administration/5vcAch3.html

Compression can be configured as a parameter within the crypto ipsec transport-set in the IOS.

http://www.cisco.com/en/US/customer/docs/ios/security/command/reference/sec_c3.html#wp1057372

Compression/decompression takes a signficant toll on the resources of the Cisco appliance if it lacks dedicated hardware for those functions. You may want to confine its use to only where it is needed for dial-up clients.

HTH

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