VSPAN monitor session 1 source vlan 1 rx monitor session 1 destination interface Fa0/22 Cat3550 has its limitation of only monitoring traffic received by Vlan. The destination port is at fa0/22. I connected my pc to fa0/22 and turned on wireshark, meanwhile my pc at fa0/21 is pinging to Vlan 1 ip address 10.10.10.1. From … Continue reading SPAN and VSPAN demonstration →

Recently I am doing mass configuration of WS3750-24G switches. The final configuration is different from the initial configuration which I have done for the PoC. Customer has wanted a VSPAN and want to be monitored from interface gi1/0/21 to 22, I studied my colleague's configuration and found that the destination ports are within the same … Continue reading Characteristics of VSPAN →