Monitor cpu, memory utilization of all network devices, wan links and lan trunks bandwidth utilization. Create a benchmark for each device/link. Record their utilization weekly noting the benchmark.
Record unscheduled downtime for each device (or service if redundant device is present). Create a record for MTBF (mean time between failures) for each device or service. You can also have MTTR (mean time to recovery).
[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...