If you have ever wondered how a Packeteer PacketShaper allocates bandwidth within a Partition, or how Priority Flows compete with Guaranteed Rate Flows, then this spreadsheet may help you understand. It is not a 100% accurate because the flows are in fact "tweaked" by the PacketShaper so not all flows are completely starved as abrubtly as this model shows. However, it can certainly give you an idea of how your bandwidth can be affected by an increasing number of flows or a competing flow. |
Do you have a “gut feeling” that Voice over IP (VoIP) is about to find its way into your organisation? Are you being badgered by PABX and/or Networking equipment vendors to upgrade to VoIP enabled devices? Are you totally baffled by the implementation choices available? If you can identify with any of these questions, then this article is for you. Getting a "Bad mask" error in your Cisco config can be frustrating, especially if copying a working configuation to a router running IOS 11.x Here's how I answered a student's question after a Cisco class. Question: I fail to understand this problem while doing some Cisco exercises and I hope you can help me out on this. R5# conf t R5( config )#int bri0 R5( config-if)#ip address 192.168.200.0 255.255.255.252 Bad mask /30 for address 192.168.200.1 R5( config-if )#end R5# Question: How does 192.168.200.1 fall within ip subnet zero? Please help. Graham |
Astlinux discovers the Zaptel card automatically very nicely thanks. But getting it to be persistent is a little tricky. For me, creating a USB keydisk to use with Astlinux wasn't as easy as simply running genkd as the documentation suggested. Here's How I did it. |
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