take a look at Opsview, its built on Nagios very nice
cheers Ivan On Tue, Oct 13, 2009 at 7:39 AM, Paolo Lucente <[email protected]> wrote: > Hi Brendan, > > On Sun, Oct 11, 2009 at 11:24:36PM -0400, Brendan Mannella wrote: > >> I have a project to gain some much needed visibility into my network. All > > Visibility is quite a broad definition for a project. Visibility should have > a goal; and the goal determines the means, ie. selection of tooling and export > method. > >> devices are Juniper. I know there are multiple options available such as >> NetFlow, Sflow, and port mirroring but what do most people use and what are >> the pros and cons? > > Many options but also constraints and not all combinations make sense. sFlow > comes only available on the EX series. NetFlow up to v8 is widely available > on the router-base; NetFlow v9 (for example, to account for IPv6 traffic or > 32-bit ASNs) you have to pay extra (!); at least this is for the M/MX/T > series. For a introductory NetFlow vs sFlow comparison i would point you a > pretty comprehensive message appeared on the list some time ago: > > http://puck.nether.net/pipermail/juniper-nsp/2007-August/008677.html > > Which, always useful, brings some light on obscure terms like cflow, jflow, > etc. > > To conclude, port mirroring or wire-tapping. Nice but once again: it depends > on your plans. A broad consideration can be that while a NetFlow/sFlow agent, > once configured in a way that makes sense, either works or you blame the > vendor; with port mirroring you are in full control but raise the number > things that can go wrong and you simply put yet another blame on yourself. > But there are certainly cases in which you are forced to or really need it > (basic example: DPI). > > Cheers, > Paolo > > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

