On the pre 4000 series ISRs you would use the regular Cisco escape sequence to exit a service module — CTRL-SHIFT-6 followed by X. In the 44xx and 43xx series routers the switch modules do not respond to the regular escape sequence from the console. Instead,...
The Cisco ASA firewall can run as virtual host for multiple virtual ASA’s known as contexts. We recently ran into an issue where a memory leak made one context inoperable. Rather than reload the entire ASA and take out the other contexts we wanted to only...
Had an issue where I was not able to successfully upgrade the IOS firmware on a Cisco 4351 router. This model of router runs IOS-XE and has some slight differences in feature set compared to legacy IOS. For example “ip dns server” was not an available...
The Cisco 3750x switch does not support NetFlow natively, but the C3KX-SM-10G module has ASICs that support NetFlow. With the C3KX-SM-10G module, NetFlow can only be run on the 4 interfaces in the module — this does not add NetFlow on the entire switch. It is...
(C891FW-A-K9) In order to add PoE to an 891 router, the datasheet says you need “800-IL-PM-4 with 125W PSU.” I had to use the Cisco Commerce Workspace to generate a config starting with the 800-IL-PM-4= part number and then added the 125W power supply...
In order to restart or reset the SIP service on Cisco CallManager Express (CME) you can do the following: voice service voip sip call service stop no call service stop