Re: IE Routing Problem

From: Kevin D. Goodknecht Sr. [MVP] (admin_at_nospam.WFTX.US)
Date: 07/28/04 

Date: Wed, 28 Jul 2004 16:36:53 -0500

In news:%23sGsWjOdEHA.3392@tk2msftngp13.phx.gbl,
Kevin D. Goodknecht Sr. [MVP] <admin@nospam.WFTX.US> posted a question
Then Kevin replied below:
> The way to figure your MTU is to start with a number ping
> the routers gateway until you find a packet size that
> does not time out, add 28 and set your MTU to that number.

In addition the new MTU setting requires a reboot, after which I got this:
W:\>ping 65.65.91.214 -f -l 1468

Pinging 65.65.91.214 with 1468 bytes of data:

Reply from 65.65.91.214: bytes=1468 time=150ms TTL=64
Reply from 65.65.91.214: bytes=1468 time=150ms TTL=64
Reply from 65.65.91.214: bytes=1468 time=150ms TTL=64
Reply from 65.65.91.214: bytes=1468 time=151ms TTL=64

Ping statistics for 65.65.91.214:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 150ms, Maximum = 151ms, Average = 150ms

W:\>ping 65.65.91.214 -f -l 1469

Pinging 65.65.91.214 with 1469 bytes of data:

Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.

Ping statistics for 65.65.91.214:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms 

-- 
Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
Hope This Helps
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Relevant Pages

  • Re: IE Routing Problem
    ... Kevin D. Goodknecht Sr. ... add 28 and set your MTU to that number. ... Ping statistics for 65.65.91.214: ... Packet needs to be fragmented but DF set. ...
    (microsoft.public.win2000.dns)
  • Re: IE Routing Problem
    ... Set the client box MTU to 1492 and the firewall's MTU to 1492. ... Here's what I get when I run the ping you describe: ... Packet needs to be fragmented but DF set. ... >> routers generally provide for an MTU setting? ...
    (microsoft.public.win2000.dns)
  • Re: IE Routing Problem
    ... Set the client box MTU to 1492 and the firewall's MTU to 1492. ... Here's what I get when I run the ping you describe: ... Packet needs to be fragmented but DF set. ... >> routers generally provide for an MTU setting? ...
    (microsoft.public.win2000.networking)
  • Re: One site wont resolve
    ... > I am not really familiar w/ nslookup. ... Try this command to see if it is an MTU issue with you trying to connect to ... If it returns the ping MTU is OK if it returns a "Packet needs to be ...
    (microsoft.public.win2000.dns)
  • Re: No DNS resolution with ICS
    ... I'm starting to think now it's an MTU ... Packet needs to be fragmented but DF set. ... Ping statistics for 192.168.0.1: ... Approximate round trip times in milli-seconds: ...
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