Re: A router bug?[Useful report this time :) (hopefully)]

H.J. Lu (hjl@lucon.org)
Sun, 31 Jan 1999 12:29:14 -0800 (PST)

>
> On Sun, 31 Jan 1999, Meelis Roos wrote:
>
> > >> https://webbroker.waterhouse.com
> > MH> Works fine here:
> >
> > MH> 2.0.36 running netscape --[10Mps ether.]->2.2.1(MASQ router)
> > MH> --(ppp modemlink)-> 2.0.35(dial in isp)
> >
> > MH> MTU of 1500 all around.
> >
> > This is almost useless report because we are talking about the case
> > where slip/ppp MTU is smaller than 1500 - like 576.
>
> agreed (duh), so I ran some more tests:
>
> Case 1.
>
> -2.0.36 running netscape --[10Mps ether. eth0 MTU=1500]->
> -2.2.1(MASQ router eth0 MTU=1500, ppp0 MTU=576)> --(ppp modemlink)->
> -2.0.35(dial in ppp0 MTU=1500)
> ^^^^^^^^
> Result: works fine
>
> Case 2.
>
> -2.0.36 running netscape --[10Mps ether. eth0 MTU=1500]->
> -2.2.1(MASQ router eth0 MTU=1500, ppp0 MTU=576)> --(ppp modemlink)->
> -2.0.35(dial in ppp0 MTU=576)
> ^^^^^^^
> Results: -Netscape on 2.0.36 host DOES NOT WORK with this site
> -Netscape on 2.2.1 router works
>

That is exactly what I have seen. When I changed my slip MTU to 1500,
nothing works anymore, not even my linux router. I have asked to change
MTU on my slip at the slip server to 1500. I will see what I get.

Thanks.

-- 
H.J. Lu (hjl@gnu.org)


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