I installed a 3750 Cisco Switch behind my Cisco 515E firewall. I plugged a straight though cable from my Fast Ethernet port on my firewall into a port. My internal network is accessing the internet with no issues at all however, I have noticed that the LED on my switch shows regular traffic flickering. Then it blinks from Yellow to green then goes back to showing regular traffic as it should. Has anyone seen this before and if so what does it mean? I am nervous about this issue.
[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...