We have one subnet 172.27.68.1 255.255.252.0, our distribution switch is 6509. WE want to do some basic VLANS without screwing up routing and changing subnets. The 6509 has 2 48 port 10/100 ethernet ...

Had a case wind up at my desk tonight whereI'm not entirely sure the *issue* is actually an issue. 2 hosts, 1 IP'd to be on 172.20.100.10 and 1 IP'd to 172.20.200.10 2 Switches, one 6500 series as the ...

A quick comparison of EoMPLS, VPLS and A-VPLS really reflects the learning curve the network industry has experienced as the technologies are deployed. All three are PW services and use a MPLS ...

Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?

Now that we have sorted out how to scale our intra data center L2 networks let’s explore the acronym soup of Data Center Interconnect (DCI). This is quickly becoming one of the most frequent ...