A way to control telnet sesssions from both 2 directions of router !
I have a private LAN placing behind a PIX firewall that is connected to a router Cisco 3640. I want to block any telnet sessions to my router through its serial interface 0/0 but others from its fast ethernet interface. I've understood that it's easy to block such telnet sessions from serial0/0 of my router but what will be happened with the above requirement ?
[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...