Hello to all and happy new year. I have a problem with my ipv6 and zone based firewall implementation. I have a cisco 1841 with dual stack ipv6 implementation. If i do not implement ZBF all works fine. On the other hand if ZBF is on the ethernet interface of the router and the pc's behind it do not get ipv6 addresses. The router gets an ipv6 address normally and communicates with ipv6 sites with no 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...