Does port span session with multiple destination affect a 6509 performance?
I need to choose a product that can copy the packets comming from 9 Media Gateways to 9 servers for recording purpose. The total number of channels is 3960 and it is using G711 Alaw codec.
I'm planning to use the switch 6509 and configure one session of local port span with the 9 fastethernet ports as source, and 9 gigabit ethernet ports as destination. So, all the packets is going to be copied to the 9 servers. I'm calculating that each gigabit ethernet is going to have a traffic of about 800Mbps.
I'd like to know if there is any risk of that port span configuration affect the switch performance?
Re: Does port span session with multiple destination affect a 65
When the total amount of traffic aggregated from the source ports exceeds the physical limitations of the destination port, it result in some dropped packets on the destination port. This does not cause any switch performance degregation or disruption or traffic flow on the source ports. The only affected port is the destination port, and it drops packets on a First In-First Out (FIFO) basis once the egress buffer limit is exceeded.
For more information on Switched Port Analyzer (SPAN) or Remote SPAN (RSPAN) limitations, refer to these sections of Configuring SPAN and RSPAN:
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