I'm managing a couple of 1700 routers. Im using HP Openview as a monitoring tool. I just cant figure out why i cant connect remotely. When it does come back up, it shows the router has been always up, but there are interface resets. no errors, crc or anything. However, at the time of loss of connectivity, it seems that the router is heavily over-utilizing? Could that be the problem? Any suggestions?
That is certainly a possibility. When the router CPU starts running high, packets destined for the router itself (such as management traffic from HPOV), will queue up waiting for the CPU to free up. That is why you seem to be getting those drops.
[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...