We have a VOIP recorder that uses SPAN to achieve it's goal. It receives all traffic from a few SPAN source ports (Connected to VOIP Phones) and records the RTP stream using source and destination MAC address. The recorder and the phones are on the same switch currently. There are other phones being added to the network that need to be recorded. These phones are on separate switches. The solution here is RSPAN. The limitation is that a switchport can not be the destination for both a SPAN and an RSPAN. However I'm curious as to how the phones currently connected to the same switch as the recorder need to have their configuration modified. It's almost like I'm trying to configure an RSPAN local to one switch.
Can I have source ports with a destination of an RSPAN VLAN, and the destination port of that RSPAN VLAN be on the same switch? I've linked a diagram I slapped together that hopefully helps.
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