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style="font-family:Verdana;font-size:13px;">Joseph,<br>
<br>
As a matter of course, I always just set adjust-mss to 1300 (or
whatever my fancy is that day) on all edge routers, i.e. the
routers that are clients' first-hop gateways.<br>
<br>
You might not want to set it on your more core routers, because
this could impact performance. (On the other hand, it might
benefit performance, if it allows you to avoid doing fragmentation
[and even worse, reassembly, if your routers are tunnel endpoints
that do that sort of thing.])<br>
<br>
Now, if you <b>only</b> see this problem on your dialup clients,
then I suppose you could be conservative and set it only on your
5400s. But I can tell you that I absolutely see this problem
affecting Windows 10 Creators Update clients in other topologies
(e.g. Wi-Fi, which is my bailiwick nowadays.)<br>
<br>
Best regards,<br>
<br>
Aaron<br>
<br>
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<div class="moz-cite-prefix">On 6/8/2017 2:46 PM, <a class="moz-txt-link-abbreviated" href="mailto:mays@win.net">mays@win.net</a>
(Joseph Mays) wrote:<br>
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<div>I meant to say they are all cisco routers.</div>
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<div style="font-color: black"><b>From:</b> <a
title="mays@win.net" moz-do-not-send="true">Joseph
Mays</a> </div>
<div><b>Sent:</b> Thursday, June 08, 2017 3:46 PM</div>
<div><b>To:</b> <a title="cisco-nas@puck.nether.net"
moz-do-not-send="true">cisco-nas@puck.nether.net</a>
</div>
<div><b>Subject:</b> Re: [cisco-nas] Windows 10 with
AS5400</div>
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<div style="FONT-SIZE: small; TEXT-DECORATION: none;
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normal; COLOR: #000000; FONT-STYLE: normal;
DISPLAY: inline">Thanks for the response! Trying
all the client-side suggestions. WRT this,
though...</div>
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<ul>
<li>on the infrastructure side, if a router in
the affected network path is a Cisco IOS
router, then turn on TCP MSS Adjust (set it to
1250 or 1360 or so.) </li>
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<div><font face="Verdana">All the routers in the
network path on our system are network routers.
Are you suggesting I turn this on for all of
them, or just on the AS5400 that answers the
dialup connection?</font></div>
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