Date: Thu, 5 Sep 2002 16:59:40 +0200 From: Wim Livens <wim@livens.net> To: freebsd-isp@freebsd.org Subject: Network diagrams Message-ID: <20020905145940.GA87075@krijt.livens.net>
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I'm looking for a way to automatically generate a network diagram image showing IP addresses, hostnames and interface names. We're running an ISP access network (about 20 nodes) and I don't want to update visio drawings manually while all topology info is in a database. Besides that, I would like to generate a similar drawing for the customer's access link and their router on a web portal. I could probably do the latter with GD.pm, but I feel a bit like reinventing the wheel and rather have a more generic solution. The database contains a table like this: IPaddr, hostname, interface, network I understand I will need to supply some hints for the layout generation, like a rank or coordinates for each node. I looked at caida.org, but these are all for large backbone networks. I've also been playing with dot and neato by generating the input file from our database, but I can't get it to produce a decent layout, the "ranking" feature of dot seems too limited. W.r.t. neato, being an access network, there is a clear hierarchy in the nodes, so a spring-model graph layout is not suited either. Any ideas ? thanks and hoping it was not too far off-topic, Wim. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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