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PA2AGA > TCPDIG 03.04.97 13:54l 242 Lines 7915 Bytes #-10670 (0) @ EU
BID : TCP_97_28O
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Subj: TCP-Group Digest 97/28O
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Date: Wed, 02 Apr 97 21:53:26 MET
Message-Id: <tcp_97_28O>
From: pa2aga
To: tcp_broadcast@pa2aga-1
Subject: TCP-Group Digest 97/28O
X-BBS-Msg-Type: B
Subject: FAQ - (TCP/IP)
Hi all,
Where I can find a FAQ document about TCP/IP?
Mohammad Reza Nikrou
nikrou@kadous.gu.ac.ir
------------------------------
Date: Mon, 17 Mar 97 06:09:32 CST
From: n5owk@n5owk.ampr.org
Subject: Gracilis P10 Question
We've been playing around with ax.25 fragmenting. Right now we're using
1024 MTU 984 MSS and it works fine between NOS's. What doesn't work is
the X-1 TheNet (damn) and the P10. Since the Gracilis was designed from
NOS, I can only assume we are doing something wrong. Does it require the
computer to p10 link to be run SLIP or anything? I think he's running it
AX.25 right now. Thanks, Steve
------------------------------
Date: Tue, 18 Mar 1997 09:39:05 -0600
From: Don Lemke <wb9mjn@wb9mjn.ampr.org>
Subject: Ham Radio compatible Telnet Client for W95...
Hi All,
I m trying the various public domain, and shareware Telnet Clients
available for W95. Gone thru a bunch of them, and so far only CRT (beta
2.02 available thru www.windows95.com/apps/terminals.html) seems to be
compatible with Ham Radio.
I tried to use MS Telnet, but the character by character sending,
and lack of terminal negotiation, was like i was in the pre-1990 dark
ages on Ham Packet Radio.
CRT does not have these oversites. It can do line by line sending,
and the password terminal negotiation is there, at least. Its a 30
dollar shareware.
--
73, Don.
Mailbox : WB9MJN @ N9HSI.IL.USA.NA
AMPRNet : wb9mjn@wb9mjn.ampr.org[44.72.98.19]
Internet: wb9mjn%wb9mjn.ampr.org@uugate.aim.utah.edu
------------------------------
Date: Sat, 1 Mar 1997 18:44:09 +0100 (MET)
From: Julian Munoz <julian@nos.ea4rct.ampr.org>
Subject: Ip over netrom.
I would like to connect our local radio network to other areas using the
netrom net used by the bbs and clusters.
We have a gateway to the netrom net, but I have some questions :
- Is it good tu use mtu=256 ?? Or is 236 "better" ???
- What netrom network address must use our netrom gateway ?
Is "IPabcd" a good way of doing it (where ab and cd are the 2 last
numbers of the ip address, in hexa form).
Is there any way to use that to do a kind of automatic ARP ??
How is done that in practice ??
(I think netrom hasn't broadcast, so classic arp doesn't work).
- What must (?) be "IPabcd" ?? The netrom address or the netrom alias ??
I think both are propagated through the the netrom beacons.
Thanks !!
Saludos de Julian Amateur Radio Operator License: EA n 53-37081-VI
------------------------------
Date: Sat, 01 Mar 1997 23:14:16
From: Brian Jones <bajones@larkhill.win-uk.net>
Subject: Ip over netrom.
Greetings Julian
>
>I would like to connect our local radio network to other areas using the
>netrom net used by the bbs and clusters.
>
>We have a gateway to the netrom net, but I have some questions :
>
>- Is it good tu use mtu=256 ?? Or is 236 "better" ???
>- What netrom network address must use our netrom gateway ?
> Is "IPabcd" a good way of doing it (where ab and cd are the 2 last
> numbers of the ip address, in hexa form).
> Is there any way to use that to do a kind of automatic ARP ??
> How is done that in practice ??
> (I think netrom hasn't broadcast, so classic arp doesn't work).
>
>- What must (?) be "IPabcd" ?? The netrom address or the netrom alias ??
> I think both are propagated through the the netrom beacons.
>
>
>Thanks !!
>
>
>Saludos de Julian Amateur Radio Operator License: EA n 53-37081-VI
>
Here in England and probably most of the United Kingdom (GBR) for
the Netrom alias for in the majority of cases is in the form IPabcd.
As the addresses are allocated in regions across the country the "ab"
portion can give an indication of the area the station is located.
For normal nodes the allias is often an abbreviation of a town
name.
==============================================================
Brian Jones Worcester, United Kingdom
G8ASO @ G8ASO.GB7GLO.#46.GBR.EU bajones@larkhill.win-uk.net
==============================================================
------------------------------
Date: Tue, 4 Mar 1997 06:22:46 -0600
From: "Steve Sampson" <ssampson@oklahoma.net>
Subject: Ip over netrom.
A few years back there was a common practice of hex all the way,
e.g., 44.78.4.2 became 4E0402 for a node alias. I think Bdale mentioned
it as a popular form in Colorado.
256 or 236 shouldn't matter, as most NOS will change it internally to 236
without the owner knowing.
Best bet is to use the X-1, shut off the netrom, and enable the IP. Who
cares about all those nodes anyway. I never understood why the routing
nodes appear in everyones tables?? It should just be the end-point nodes.
Must be too hard; yet another reason to shut the obsolete netrom off.
----------
> >- Is it good tu use mtu=256 ?? Or is 236 "better" ???
> >- What netrom network address must use our netrom gateway ?
> > Is "IPabcd" a good way of doing it (where ab and cd are the 2 last
> > numbers of the ip address, in hexa form).
------------------------------
Date: Thu, 6 Mar 1997 21:12:27 +0100 (MET)
From: Julian Munoz <julian@nos.ea4rct.ampr.org>
Subject: Ip over netrom.
Just another Question Brian (and people of the list)
Do you use a range of ip addresses for the netrom port ??
Has the "netrom network" his hown network address ??
Is there several netrom networks ?? (suposing that there is a lot of
unconnected sites, like it happens in Spain).
Thanks in advance..
Saludos de Julian Amateur Radio Operator License: EA n 53-37081-VI
@ EA4ABB
------------------------------
Date: Thu, 06 Mar 1997 22:53:15
From: Brian Jones <bajones@larkhill.win-uk.net>
Subject: Ip over netrom.
Greetings Julian
>
>Just another Question Brian (and people of the list)
>
>Do you use a range of ip addresses for the netrom port ??
>Has the "netrom network" his hown network address ??
>Is there several netrom networks ?? (suposing that there is a lot of
>unconnected sites, like it happens in Spain).
>
>Thanks in advance..
>
>
>
>Saludos de Julian Amateur Radio Operator License: EA n 53-37081-VI
> @ EA4ABB
>
>
I am no real expert with IP addressing, as I don't use that
protocol ;-) Normal packet AX25 protocol suits my purposes.
However, as I understand the set-up those node which use TheNet,
which have IP addressing enabled, would have the routing set so
that blocks of addresses would be directed in the appropriate
direction.
Some of the nodes use the G8BPQ software, which uses a PC to
control the multi-port node. This again has route mapping.
The majority of areas England, Wales and Scotland which have
packet activity are linked through the network. Not always fast
links! In the north of Scotland there is less population and few
radio amateurs, so there can be great problems establishing and
maintaining links because of the distances to be covered.
As far as possible the network is organised so that user links are
one one band with links on a different band. Some of the ports may
use duplex links and in busy areas the node may have several links on
70cms and higher frequencies. As with many of these projects it is
down to the enthusiasm of those wishing to develop the system.
To be continued in digest: tcp_97_28P
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