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Set MTU - Cisco VPN x64

Unanswered Question
Aug 23rd, 2011
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I've installed the Cisco Client many times before on x32 systems but having just installed same on an x64 System (Win-7 Pro) I just noticed the "Set MTU". Client version I am using is 5.0.07.0290.


What is the purpose for this, and what setting should I use?


Thanks,


Ron

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Jennifer Halim Tue, 08/23/2011 - 22:54
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Here is more explaination on "Set MTU" on VPN Client for your reference:

http://www.cisco.com/en/US/docs/security/vpn_client/cisco_vpn_client/vpn_client500_501/administration/5vcAch11.html#wpmkr1157551


Basically it is only needed when you are troubleshooting issue with performance as default MTU on internet devices is typically 1500, and if the VPN Client is sending bigger file than 1500, then it would cause fragmentation which could possibly be blocked along the path, and/or taking the server end sometime to reconstruct the fragmented vpn packets.


However, in normal circumstance, the "Set MTU" setting should not be interfere.

Jennifer Halim Wed, 08/24/2011 - 06:01
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Cheers, pls kindly mark the post as answered so others can learn from your post. Thank you.

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