Tag: ios

Stubby Post – Cisco IOS Petition

Greg Ferro has brought back the petition for Cisco to provide an emulator to the community for learning.  Since our current and only family of emulators is well on Garcinia Mangostana its way to oblivion, I ask that we all…

Getting Temperature Data from a 6500 via SNMP

I apologize to my adoring fans (both of you) for the lack of posting.  I’m in the middle of moving, buying a new house, selling my current house, getting a mortgage, etc.  I’ve up until 11:30 nearly every night filling…

Filtering Out the Noise on the Edge

There’s a lot of noise on the Internet.  I’m not talking about certain news sites, either; I’m talking about stuff like port scans or attempts on weak services from all sorts of bad people on the Internet.  A large chunk…

Configuring Dedicated Trunks for the CSM

Did you catch the article on setting up fault tolerance on the CSM?  In that article, I mentioned that Cisco recommends a dedicated trunk for the FT VLAN if you have two HA CSMs in two chassis.  Discuss amongst yourselves…

Using Probes on the CSM

There are three different ways that a CSM checks for the health of the servers — active probes, inband health checking, and inband HTTP monitoring.  Let’s talk about active probes. Active probes (or just probes) typically send traffic to one…

Configuring Fault Tolerance on the CSM

Like (nearly) everything in the Cisco world, you can set up your CSM to fail over to another module when the primary dies a horrible death.  You can have two in the same chassis or even have them in separate…

Using the Pipe in IOS

A lot of IOS commands give you a lot of information. Most of the time, though, it’s way too much information, and it sure would be nice to do some grep-like stuff on the output, right? Well, just like on…