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 sure your gear delivers the voice packets first. A packet in an HTTP transaction can wait another 200ms without any...
Monthly Archives: April 2008
ASA + HSRP/VRRP/GLBP = undef
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 that deserves a short article. The ASA and PIX firewalls don’t actually run any of the usual...
DHCP on the ASA 5505
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 server. Let’s do it. To set up DHCP forwarding, you have to configure where...
Setting Up VLANs on an ASA 5505
I’ve had my ASA 5505 in place at home on my Comcast cable for a few weeks now, and, let me tell you, this thing rocks. I did, however, have a few problems finding a clear answer on how I could set up my VLANs. It turns out that the base license on the...
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