I need to test a T1 going from RT1 to csu/dsu.. now It shows down/down... when I had a telco tech put a hardloop on it I see up/down.. what could be the problem
the second issue that I have is that on the other end of the router I am doing the same testing RT2 with hard loopset by the telco on the other side.. RT2 is down/down.. when we put hardloop we still get down /down..
can you help isolate the issue.. on RT1 and RT2...
[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...