In order to properly size a UPS to a multi-slotted switch, such as a Cisco 4506:
1. Do the switch's power supplies, modules and fan unit of the switch draw power from the UPS?
2. Do the modules and fan unit draw power only from the switch's power supplies and therefore a switch's power supply is selected based on the modules and fans installed...and then the UPS is seleted based on the switch's power supply?
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...