Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 8 Aug 2001 21:51:16 -0700
From:      "Ted Mittelstaedt" <tedm@toybox.placo.com>
To:        "MurrayTaylor" <MurrayTaylor@bytecraftsystems.com>, "Odhiambo Washington" <wash@wananchi.com>, "FBSD-Q" <freebsd-questions@FreeBSD.ORG>
Cc:        <kweheria@iconnect.co.ke>
Subject:   RE: Isn't it true?
Message-ID:  <000001c1208e$ec519920$1401a8c0@tedm.placo.com>
In-Reply-To: <004201c11fd6$b61cfce0$2a7627cb@bytecraft.au.com>

next in thread | previous in thread | raw e-mail | index | archive | help

>-----Original Message-----
>From: MurrayTaylor [mailto:MurrayTaylor@bytecraftsystems.com]
>Sent: Tuesday, August 07, 2001 11:53 PM
>>
>Here Down under in Australia I am using the WANic 405 card and the netgraph
>stuff for a frame relay link (currently 128kbit max on copper) for our ISP
>link, and will be adding a second DLCI (DLCI == logical port for want of
>the full description) for a Melbourne - Sydney link. (uses the sr driver
>which get netgraphified once you rebuilt the kernel with options NETGRAPH
>and
>the sr driver
>
>[=====]                     +--+---+-----+
>[ ISP ]----DLCIa--+--(NTU)--|sr|ng0|     |
>[=====]           |         |  +---+     |
>                  |         |  |ng1|     |
>[=====]           |         +--+---+     |
>[ SYD ]----DLBIb--+         |            |
>[=====]                     +------------+
>
>Works great .... and as the WANic 405 is capable of 2Mbit, if we need more
>bandwidth, we can easily step up to an optical Network Terminal Unit from
>Telstra.
>
>netgraph 0 (ng0) is the 'interface' to the ISP
>netgraph 1 (ng1) is the 'interface' to Sydney
>
>Sydney has a similar WANic - netgraph setup
>
>And this is just using one of the two ports on the WANic...
>

You may be interested in a patch that Rod Grimes wrote for the sr driver
that corrects an interrupt handling problem.  It's useful for high loads.
(128K is NOT a high load)

Also, you only really need the netgraph stuff for Frame Relay.  The
sr driver itself supports both PPP and Cisco HDLC.

Ted Mittelstaedt                                       tedm@toybox.placo.com
Author of:                           The FreeBSD Corporate Networker's Guide
Book website:                          http://www.freebsd-corp-net-guide.com


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?000001c1208e$ec519920$1401a8c0>