QoS Policing
·3 min read
We covered QoS tagging the other day, but that just marks packets. I think you’re old enough now that we should actually do some policing. Policing is where you restrict the amount of bandwidth …
Latest Posts
Qos Tagging
·4 min read
I’ve been trying to get some experience on Cisco VOIP, and, as you probably know, Quality of Service (QoS) is quite important in that realm. Since VOIP is very time-sensitive, you have to be …
ASA + HSRP/VRRP/GLBP = undef
·2 min read
I use Google Analytics to track the 2 or 3 hits I get a day, and sometimes I see some interesting search terms. Yesterday, some googled up the term “does the ASA 5505 run HSRP”; I think …
DHCP on the ASA 5505
·2 min read
Let’s keep going with our example setup on the ASA 5505 and set up DHCP on this guy. You can set it up to either forward (relay) DHCP requests to a DHCP server somewhere or have it be the DHCP …
Configuring GLBP
·3 min read
Believe it or not, I got a request for an article on how to configure GLBP. I’m as shocked as you are, so here it goes. The Gateway Load Balancing Protocol (GLBP) is another Cisco-proprietary …
Default Route via DHCP on an ASA 5505
·1 min read
I finally got my ASA 5505 up and running at the house, but I ran into a little problem – the box wouldn’t add the DHCP-provided default route into its routing table. That one threw me for …
Trunking on a Catalyst Switch
·3 min read
If you didn’t now already, trunks are connections between switches that carry traffic for all VLANs. It allows you to have, say, VLAN 10 and VLAN 20 on two switches appear as the same network. …
GRE Tunnels and Encryption
·1 min read
GRE tunnels rock. They are interfaces on a router that are used to “connect” to another router somewhere on your LAN, your WAN, the Internet, wherever. The most popular use for them is for …
HSRP vs. GLBP
·2 min read
HSRP (Hot Standby Router Protocol) is a Cisco-proprietary method for supplying a highly-available gateway for hosts to use. GLBP (Gateway Load Balancing Protocol) does the same thing. So, what’s …