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Hi, I understnad that when ingress replication is used, multicast packet are replicated when they enters the switch. In VSS enviroment, it is likely multiple copy of multicast have to travel across VSL link. Question i have is: if i have dual-h...
Hi Experts, My understanding is that the cisco switch will tell the cisco phone which vlan to tag the voice traffic via CDP (correct me if i got it wrong), so when deploying cisco IP phone using non-cisco switch, what is the typical approach to instr...
Hi Experts, My understanding is that the cisco switch will tell the cisco phone which vlan to tag the voice traffic via CDP (correct me if i got it wrong), so when deploying cisco IP phone using non-cisco switch, what is the typical approach to in...
Hi Experts, I have a few dump questions regarding MARS and hope someone can help me on those:1. Does MARS work like a netflow collector? If yes, how to see the netflow statistic of a device registered in MARS?2. How does MARS make use of the netflo...
Hi, I am running into some problems when I configured the Rspan. See the rough diagram below core switch / \ / \ Switch one Switch twoI configured the following in Switch oneMonitor session 1 source fa0/9Monitor session 1 destinat...
Hi Adrian, Thanks for sharing the info. Individual provisioning the phone seems impossible when there are thousands of phones to be provisioned, do you know if there is any more scalable approach? Or we can only pray that the 3rd party switch ha...
HSRP is more to provide hardware redundancy. When link redudancy is needed and hardware redundancy is not a concernce, HSRP is not necessary. Routing protocols provides pretty good layer 3 link redundancy whereas Spaning tree, ehterchannel provide ...
Thanks Kelvin. Now I understand Rspan better. I was a bit uncertain about the 2950.. yes there is a 2950 at upstream of the sniffer.. does it means to say that 2950 does not support RSPAN? howerver on 2950 there are commands for RSPAN, pretty much ...
