In a network that has LAN and WAN links with EIGRP as the routing protocol, is it best practice to have a separate Autonomous System for the LAN (LAN devices with L3 capability) and a separate Autonomous System for the WAN where there are 20 WAN connections? If so, what are the benefits? Currently, all sites (LAN and WAN) have a single Autonomous System.
I do not see the benefit of doing so. It's best to create a backbone VLAN that WAN is also belong to. Sperate the LAN from WAN and the backbone VLAN via none-backbone VLAN. Turn all vlan interface passive except the backbone vlan interface. It's much cleaner this way, and protect the LAN (VLANs) from getting too much backbone broadcast. Does this make sense to you?
No. Don't do this. :-) You don't gain any advantage at all, and you make the network much harder to troubleshoot and maintain in the long run. Summarization and other forms of information hiding are the keys to eigrp scaling--come to networkers and go to the eigrp deployment talk. :-)
I would not recommend this. I do not beleive you will get benefit out of it, but you will get much trouble to manage it if you do use multiple AS. We have many VLANs too and many WAN sites (over 60). We also use EIGRP, single AS.
Do you know when the Networkers session schedule be published? I sign up for it, but want to plan the time, specially on the Monday Power sessions. It would be good to know if they are in the morning or in the afternoon (in CA). Thanks
[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...