netbsd@hgb-leipzig.de (NetBSD) writes:
In hanse-ml.netbsd.help you write:

>> There are 2 cases in which I have seen this... Both when there is a ppp link 
>> involved..
>In this case, there is a PPP link (2xNovell ISDN router) involved.
>> (I guess that ISDN may not help here)

Usually, ISDN links have an MTU of 1500.

-- 
Christoph Badura

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