Re: Web browsing issue behind PIX
- From: "None" <dbwoodw@xxxxxxxxxxxxx>
- Date: 31 May 2006 13:01:58 -0700
Walter Roberson wrote:
In article <1149102383.322989.12750@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
None <dbwoodw@xxxxxxxxxxxxx> wrote:
Walter Roberson wrote:
In article <1149097720.362100.230030@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
None <dbwoodw@xxxxxxxxxxxxx> wrote:
One of my PIX units (525 fail-over pair) on 6.3(5) is having trouble
browsing certain web sites - for example www.cnn.com and the "Microsoft
Update" while "www.foxnews.com" and the "Windows Update" sites work
fine. Anyone seen an issue like this?
Path MTU Discovery (PMTUD).
I pretty much have all ICMP open right now but still nothing on those
sites ...
Do you happen to be on DSL? If so then reduce your outside MTU
to 1492 (most providers; as low as 1398 for some providers!!)
No - it's in a CoLo with a 10mb burstable to 100mb feed
.
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