North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: OT: Looking for Ethernt/Optical Device
Hello Eric: You can issue the following command in the 3550 series that takes care of that issue. However, your mileage may vary. :-) No errdisable detect cause gbic-invalid Mike > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > Eric Kuhnke > Sent: Tuesday, June 01, 2004 2:06 PM > To: [email protected] > Subject: Re: OT: Looking for Ethernt/Optical Device > > > Be warned that you can't use non-Cisco CWDM SFPs or GBICs in a cisco > switch or router... There is a PROM code in the cisco-sold units that > is identified by IOS. Plug in a non-cisco SFP/GBIC and it will shut > down the port. (This was discussed about 9 months ago on nanog-l, it > should be in the archives). > > Does anyone actually buy the $3500 CWDM SFPs? That's a $3300 profit > margin for Cisco... > > Scott McGrath wrote: > > > > > Finisar also has CWDM optics in both the SFP and GBIC form factor and > they > > are quite a bit less expensive than the Cisco solution and they do have > a > > 16 lambda passive OADM as well as the 4 and 8 lambda models. > > > > Scott C. McGrath > > > > On Tue, 1 Jun 2004, Erik Haagsman wrote: > > > > > >>What you could try is use the Cisco CWDM-MUX-4 and it's pluggable optics > >>that can be fit into any GBIC 802.3z compliant slot. It's just an OADM > >>with 4 or 8 wavelengths that delivers GigE to any box with pluggable > >>GBICs provided you use the right optics and it's quite a bit cheaper > >>than using ONS stuff. That said, CWDM doesn't get you much further than > >>80 kilometres, above that DWDM is your only option, and a hell of a lot > >>more expensive. > >> > >>Cheers, > >> > >>-- > >>--- > >>Erik Haagsman > >>Network Architect > >>We Dare BV > >>tel: +31(0)10 7507008 > >>fax:+31(0)10 7507005 > >>http://www.we-dare.nl > >> > >> > >>On Tue, 2004-06-01 at 17:30, Michael Smith wrote: > >> > >>>-----BEGIN PGP SIGNED MESSAGE----- > >>>Hash: SHA1 > >>> > >>>Hello All: > >>> > >>>I'm wondering if anyone has seen a good and cheap(er) solution for > >>>providing multiple Gigabit Ethernet circuits over single pair of > >>>fiber. I'm looking for a way to do CWDM or DWDM that's cheaper than > >>>putting in a Cisco 15454 or 15327. I'm only going to be doing 2 GigE > >>>circuits between two switches, so I don't need to plan for future > >>>growth. > >>> > >>>If anyone knows of a magic box that will do the above I would love to > >>>hear about it. > >>> > >>>Thanks, > >>> > >>>Mike > >>> > >>>- -- > >>>Michael K. Smith NoaNet > >>>206.219.7116 (work) 866.662.6380 (NOC) > >>>[email protected] http://www.noanet.net > >>> > >>>-----BEGIN PGP SIGNATURE----- > >>>Version: PGP 8.0.3 > >>> > >>>iQA/AwUBQLyiVJzgx7Y34AxGEQIDewCfR8JQG2jqbxsBopUE6u3FUnfiX3UAoODx > >>>41QL7T1eyK1EQ4ZMnVJU+l2p > >>>=hDVT > >>>-----END PGP SIGNATURE----- > >> > >> > > > > > |