I have a Nexus 5548 and I created a vlan 1211 and then a interface vlan 1211. When the interface was created the it was named, given an IP address and a no shutdown command. When I do a show interface vlan 1211 I get Vlan1211 is down (VLAN is down), line protocol is down. I thought that I may need to have an active Ethernet port untagged in the VLAN so I did that with switchport access vlan 1211 on an test active Ethernet port. The results are the same.
I have done this with many other VLANs but for whatever reason this one is giving me problems. Does anyone have any ideas?
[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...