Router A has a LAN interface with 2 physical ip address(pri + secondary IP). The primary inf is connected to the same firewall segment. The secondary inf is connected to the switch management IP.
After various ping to the secondary IP(188.8.131.52) from the switch, which failed, i did a 'show arp' on the router and realised that the switch ip is binded dynamically to the firewall MAC instead of the switch(3com) MAC.
[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...