Re: TCP Retransmits
- From: "cismic" <cismic@xxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 4 Feb 2004 08:48:42 -0800
Hi Carl,
One thing I like to do when testing the MTU internally is to run the ping
command with
ping -t -l 1550 -f 192.168.1.1
ping -t -l 1500 -f 192.168.1.1
ping -t -l 1440 -f 192.168.1.1
When testing the above set the IP ADDRESS to your network.
What this will tell you is if you have the correct MTU's set for your
network
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] target_name
Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet.
-i TTL Time To Live.
-v TOS Type Of Service.
-r count Record route for count hops.
-s count Timestamp for count hops.
-j host-list Loose source route along host-list.
-k host-list Strict source route along host-list.
-w timeout Timeout in milliseconds to wait for each reply.
Joseph
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