Http download slows down with IP Inspection enabled

Unanswered Question
Mar 31st, 2009
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I have 2811 with Advanced Security IOS 12.4.23


Router is connected directly to internet. Users are translated with PAT to internet. When I enable ip inspection

(ip inspect name my-ios-fw tcp

ip inspect name my-ios-fw udp)

any file download from http slows down almost immediately till it reaches 20-30 bytes/s. If I remove inspection from users' interface I can download files in without any problem


can anybody help me?


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hadbou Mon, 04/06/2009 - 07:54
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You may try configuring the "timeout seconds" parameter.


timeout seconds (Optional) - To override the global TCP or User Datagram Protocol (UDP), or Internet Control Message Protocol (ICMP) idle timeouts for the specified protocol, specify the number of seconds for a different idle timeout.


This timeout overrides the global TCP, UDP, or ICMP timeouts but will not override the global Domain Name System (DNS) timeout.


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