Optics and Optical Networking

We have 2 3640 on hsrp statement through Catalyst 2950 and Allied switch.Every day at same time , one of those continues to change standby group from STANDBY to SPEAK without any HSRP change on other router.I haven't found any BUG for this problem.So...

In a cluster of 2 servers, How many High Availability agents licenses are required? (One or two)

I will be doing some lab testing for ONS 15540 ESPx.Need to connect the LCMB direct to OADM using MTP cable without going through the cross connect drawer as describe in the hardware installation manual. Looking at the cable spec on some brands I'm e...

I was advised of an application that is for broadcast quality video leaving the US bound for Canada.They have OC-48 hubs around the US in NYC, Seattle, LA and maybe Chicago.They need to equip the Hubs with L2 & L3 devices. What Cisco device would one...

Hello,Recently I was asked to start learning about "how to light a dark-fiber"I'm a bit nw in the area but I have some basic knowledge.Our dark fibers willl exced 100 km which is complicating a bit the whole thing (as far as I know it exceed the rea...

Hi,I have 4 ONS 15530 with 8GE modules, on 4 port ( 2 local and 2 and remote end) I would like to connect 2 6509 in etherchannel configuration.I tested all configuration possible and the best config that I found is :ONS : Negotiation auto Laser ...

I have a business request to separate some of our systems across two geographically disperse sites. Some of the systems that need splitting use HSRP & VRRP as part of an automatic failover mechanism.My question is, if we separated our pair of 6500's...

I am managing a small ons15305 network and I have some problems on the swithcg capability.It is necessary to analisy the errors log file generated by the equipment, but this must be off line because it is not possible to stay in site all the time.The...

I'm finding difficult to connect correctly two Catalyst4506 via an etherchannel (2 x gigaethernet) that passes thru a dwdm link made by ONS 15530 and using 8-port FC/GE.The problem is during link establishment:the log on DWDM continuosly reports%METO...

Where does one start to get into this field.

Can someone provide me with doc's or knowledge of the steps needed to upgrade from 3.2.1 to 4+. I have 7 node's that need to upgrade and I need to know the good and bad.Do all have to be upgraded at the same time?How long does an upgrade typically ta...