by Brian Scheewe | Feb 3, 2014 | Cisco, Networking
Ran into a situation where I needed to perform a packet capture on the WAN interface of a router that was facing an ISP. The site was rather remote and so putting a hub in between the router and ISP and capturing the packets via Wireshark was going to be very time...
by Brian Scheewe | Jan 23, 2014 | Adtran, Cisco, OCS / Lync / Teams
These are the steps to setup Lync 2013 to work with Enterprise Voice through a Cisco router running CME (CallManager Express) or an Adtran 7000 router like the NetVanta 7100. From the Lync Topology Builder open your site, Shared Components then right-click on PSTN...
by Brian Scheewe | Aug 22, 2013 | Cisco, OCS / Lync / Teams
This guide will go through the steps to setup Lync Remote Call Control (RCC) with Cisco CallManager Express (CME). I’ve used this with OCS, Lync 2010 and Lync 2013. CME must be version 8.0 or higher. CME On the router enter the commands that are not already...
by Brian Scheewe | Jun 5, 2013 | Cisco, Networking
Problem: When you run “show arp” on an edge router/firewall you see thousands of public IPs. This will eat up the memory and cause things to run slowly. I even saw in once case where “show run” revealed nothing, it would just come back blank...
by Brian Scheewe | Sep 4, 2012 | Cisco, VoIP
The Cisco 881 router comes in an SRST flavor (C881SRST-K9) which includes 1 FXO and 4 FXS ports. We recently ran into a problem at a customer’s new install where the service provider did not run new FXO lines in time for the installation. So seeing that we had...
by Colin Holloway | Dec 20, 2011 | Cisco, VoIP
Here’s another CME feature that did not work quite as expected when reading the documentation. As with the conference bridge, I read along and followed the documentation from Cisco for “Configuring Music on Hold from a Live Feed” (the link is below)...