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

H.J. Lu (hjl@lucon.org)
Sun, 31 Jan 1999 17:19:21 +73600 (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
>

Thanks for everyone. Now my slip connection works fine now after
changing MTU on both ends to 1500. Since 1500 is used by ethernet,
shouldn't it be the default for SLIP/PPP under Linux also?

Thanks a lot.

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


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