That is really the purpose of the SCP or SFTP. They encrypt the data, as well as authenticate. You want to avoid using telnet or tftp, both use clear text. Even better TACACS+ with the addition of RSA tokens. This system costs about $25K for a couple of appliances and 20 tokens. The benefits are the One Time Passwords off the tokens and a great deal of AAA.
System includes: Cisco ACS SE appliance and RSA authentication server; the RSA server is a System 130 appliance, built by Dell running a hardened Windows. This is the way to go for login (as opposed to SSH).
[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...