We're trying to lock down our remaining Windows XP machines to minimise our exposure to unsupported OS, and one thing we're considering is a dedicated VLAN with an ACL that allows only specific traffic through to specific servers (DNS, LDAP, AV updates, Windows File Transfer, WSUS for reporting) - so far I've got this but as PT is not great at testing different ports I was hoping to get some feedback before i stick it on the core and break something:
[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...