Unlike point-point VPNs like IpSec which have a star topology these would be a meshed ring ie any body can communicate to anybody on the VPN. Perfect exmple would be an MPLS VPN or M-GRE or multipoint L2TPv3
Yes and no. Yes they arent centrally connected but there is no ring. It is any-any connectivity logically. If there are 3 sites a,b,c , a can reach b and c independently irrespective of whether b is up or not
[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...