Just a small question, maybe off topic: is a 10GE DWDM circuit always composed of 4 x 2.5 Gbps channels, because i was thinking that classical dwdm consisted of 32x 2.5 Gbps channels.
regards, Geert 2010/9/23 Good One <[email protected]> > > I don't have the ability to see the DWDM stats but we have configured our > end with "hold-down up 5000" (ms), this means wavelengths is fluctuating > with small amount of time. Yeah, sometimes other wavelengths went down > parallel but it's not the case always. The interesting things is, most of > the time circuit comes up after 5 second intervals, I understand this is due > to "hold-down up 5000" but this also means wavelength is dropping again and > again and over again. > > > > Thanks > > > > BR// > > Andrew > > > From: [email protected] > > To: [email protected]; [email protected] > > Subject: RE: [c-nsp] 10G DWDM UP/DOWN > > Date: Wed, 22 Sep 2010 18:14:30 -0400 > > > > Do you have the ability to see the DWDM stats? Is the 10G interface > > configured to drop when wavelength goes down? > > > > We need to figure out if the DWDM equipment, the actual fiber connection, > or > > the router interfaces is the issue here. I'll bank initially on a problem > > with the DWDM based connection - any other wavelengths going down or can > you > > tell us? > > > > Paul > > > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of Good One > > Sent: September-22-10 5:43 PM > > To: [email protected] > > Subject: [c-nsp] 10G DWDM UP/DOWN > > > > > > > > > > I have a 10G circuit over DWDM which is flapping very frequently > > occasionally. DOWN to UP state takes 5 second most of the time, just > > wondering what could be causing this. > > > > > > > > Sep 22 21:47:46 T12 mib2d[2061]: SNMP_TRAP_LINK_DOWN: ifIndex 117, > > ifAdminStatus up(1), ifOperStatus down(2), ifName xe-5/0/0 > > Sep 22 21:47:51 T12 mib2d[2061]: SNMP_TRAP_LINK_UP: ifIndex 117, > > ifAdminStatus up(1), ifOperStatus up(1), ifName xe-5/0/0 > > Sep 22 21:49:28 T12 mib2d[2061]: SNMP_TRAP_LINK_DOWN: ifIndex 117, > > ifAdminStatus up(1), ifOperStatus down(2), ifName xe-5/0/0 > > Sep 22 21:49:33 T12 mib2d[2061]: SNMP_TRAP_LINK_UP: ifIndex 117, > > ifAdminStatus up(1), ifOperStatus up(1), ifName xe-5/0/0 > > > > > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > > > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
