New Zealand ADSL Mailing List


Re: IP Addy's (getting OT)

From: cheryl <cheryl_at_cosynsoftware.com>
Date: Fri, 4 Jan 2002 16:40:34 +1300 (NZDT)
Message-ID: <Pine.LNX.4.33.0201041625450.22019-100000@gateway.cosyndmz>

>
> pts/0 juha@vimfuego:~$ /sbin/ifconfig
> eth0 Link encap:Ethernet HWaddr 00:00:E8:4A:BF:96
> inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:8611458 errors:1 dropped:0 overruns:0 frame:0
> TX packets:9210342 errors:2 dropped:0 overruns:0 carrier:2
> collisions:0 txqueuelen:100
> Interrupt:10 Base address:0x1000
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:1213683 errors:0 dropped:0 overruns:0 frame:0
> TX packets:1213683 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
>
> How much larger than that is the Win2K loopback MTU?

32Kb. i.e. Twice the size of yours, juha :-).

Anyway, juha, it's not so much the size that matters,
it's how the TCP/IP stack handles it. In the case of
Win2K, so poorly it's generated a patch to SP1. I've
even had people writing sockets-based programmes for
the Windoze platform tell me that there *is* no notion
of localhost on Win2K (and that's why they can't port
their stuff to Win2K)! wrong-o! it just takes forever
to respond!

cheryl

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Received on Fri Jan 4 17:16:30 2002

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