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pages not loading? have a router? might check this first!
because a mismatched MTU can cause page timeouts
by David Monday 04-Jan-2010
Got this one day.




Can't load a lot of websites so I can't post all the tracerts. Sometimes they'll load fine for a few minutes, then back to not loading.

Tracing route to vnboards.ign.com [69.10.16.126]
over a maximum of 30 hops:

2 17 ms 13 ms 13 ms bras3-l0.okcyok.sbcglobal.net [151.164.182.200]

3 * * * Request timed out.
4 * * * Request timed out.
5 31 ms * 90 ms cgcil01jt.ip.att.net [12.122.84.49]
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
9 * * 85 ms er1-te-1-0-1.SanJose3Equinix.savvis.net [204.70.
200.229]
10 * * * Request timed out.
11 * * * Request timed out.
12 83 ms * * 64.14.0.122
13 * * * Request timed out.
14 * * * Request timed out.
15 84 ms * * 69.10.16.126
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 * * * Request timed out.
23 * 82 ms * 69.10.16.126
24 * * * Request timed out.
25 * * 84 ms 69.10.16.126

Trace complete.

Tracing route to aol.com [205.188.100.58]
over a maximum of 30 hops:

2 23 ms 13 ms 15 ms bras3-l0.okcyok.sbcglobal.net [151.164.182.200]

3 * * * Request timed out.
4 * * * Request timed out.
5 * * * Request timed out.
6 32 ms 32 ms * bb2-chi-p13-3.atdn.net [66.185.132.97]
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.
11 * * * Request timed out.
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 * * * Request timed out.
23 * * * Request timed out.
24 * * * Request timed out.
25 * * * Request timed out.
26 * * * Request timed out.
27 * * * Request timed out.
28 * * * Request timed out.
29 * * * Request timed out.
30 * * * Request timed out.

Trace complete.




Various other sites were also giving him problems that didn't before, and it would cycle. A site that was working wouldn't work, and a site that wasn't working would all of a sudden work.

We had an outage in the area and it fixed everyone else except this person. Then I got this message


For whatever reason, my MTU was at 1500. I don't know why, I've never changed it. Setting to 1492 fixed my problem.





So thing to keep in mind:

- If you are getting erratic page loads, be sure to check your MTU on your router and ensure it matches the 1492 (PPPoE) to your modem.

home

comments?




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