This also appears to be affecting 8.3.141.0   This should be a much higher priority bug, as touching client devices you don't own is not something you should be doing, and the two VLAN approach goes against best practices. ... View more

Has anyone ever seen interference between channels as consistent as the attached screenshot?  This analysis is from a 9 story residence building with HD-WLAN infrastructure.  I'm trying to determine the source of this noise. Thanks. ... View more

Gateway Load Balancing Protocol (GLBP) can be used to replace HSRP in environments where you would like to load balance between multiple nodes, instead of having an active/standby pair. In order to enhance on the capabilities of Hot Standby Router Protocol (HSRP), Cisco developed GLBP. GLBP provides automatic, first-hop gateway load balancing, which allows for more efficient resource usage and reduced administrative costs. It is an extension of HSRP and specifies a protocol that dynamically assigns responsibility for a virtual IP address and distributes multiple virtual MAC addresses to members of a GLBP group. In campus networks, Layer 3 VLAN interfaces act as the gateway for the hosts. These Layer 3 VLAN interfaces from different switches are load balanced using GLBP. Layer 3 interfaces from multiple switches form one GLBP group. Each group contains one unique virtual IP address. Supervisor 720 can have a maximum of 1024 GLBP groups (group numbers 0 to 1023). Supervisor 2 supports only one GLBP group. A GLBP group can have a maximum of 4 members. It means that GLBP can load balance up to 4 gateways ... View more

I am just curious what other people are doing in this situation. We have 2 6509's for the server farm and I wanted to be able to connect a dual homed server to both switches for redundancy. I know you can use the active/standby mode for Linux bond interfaces, but that only works if the link goes down or switch gets powered off. I was hoping for a more reliable way to provide fault tolerance. ... View more