Nortel has just recently released v5.1 software for their Ethernet Routing Switch (ERS) 5500 Series.There are some enhancements that affect how ADAC/LLDP function on the ERS 5520 switch. From the release notes; IEEE 802.1ab and ADAC linkage Nortel … [Continue reading]
WiFi Hotspot Portal
A few years ago I had a request to design a public WiFi hotspot portal for the patients and visitors within our five major facilities. I did a fair amount of research and found a number of interesting commercial and open-source solutions. … [Continue reading]
WS5100 v1.x to v2.1 Upgrade
The purpose of this post is to outline how to upgrade a Symbol 5x00 Wireless LAN switch. In the example provided we will upgrade a switch running v1.4.3.0-R12 to v2.1.1. This upgrade is a major upgrade in that it literally replaces the core operating … [Continue reading]
WS5100 v1.x,v2.x Standby Switch
Motorola's WS5000/WS5100 Wireless LAN Switches (v1.x,2.x software) allow you to provision a standby backup switch that would take over for the primary if some problem affected the primary Wireless LAN switch. This is a an active/passive solution, the … [Continue reading]
Time Domain Reflectometer (TDR)
We have quite a few Nortel Ethernet Routing Switch 5500s deployed throughout our organization. There's a great new benefit in using the new hardware to help us test the cable plant remotely.Here’s the text from the Nortel manual; Testing cables … [Continue reading]