When an ISP issues a low grade box it is a router and a firewall. I am looking to take a box like this and put in a 3550. My question is can a 3550 do PPPOE, port forwarding, and Natting. Or would I have to put a PIX in line to do all of this?
If you put an enhanced image on the 3550, you can turn it into a router. You can utilize SVIs or you can turn ports into layer 3 ports. I use a 3550 for some of my BGP testing in the lab. Hope this helps.
[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...