What is distributed port mirroring?
Port mirroring is the capability on a network switch to send a copy of network packets seen on a switch port to a network-monitoring device connected to another switch port. Port mirroring is also referred to as Switch Port Analyzer (SPAN) on Cisco switches.
What is a virtual SPAN port?
To SPAN the Virtual Network. Port mirroring is the network switch ability to send a copy of network data packets being transmitted over a switch port to a network monitoring or inspection device that is itself connected to the port mirror – a dedicated port on the switch.
What is the use of port mirroring?
Port mirroring is used on a network switch to send a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another switch port.
What do you need to know about port mirroring?
What Is Port Mirroring? Port mirroring is used on a network switch or a router to send a copy of network packets seen on the specified ports (source ports) to other specified ports (destination ports). With port mirroring enables, the packets can be monitored and analyzed.
Can a source VM mirror a destination VM?
Basically, in box, it’s a source VM that mirrors it’s network traffic form one or more virtual ports (vNICs) to a destination VM’s one or more virtual ports (vNIC). You can send many sources to one destination. That’s fine. You could also define more destinations on the same host but that’s not really wise and practical as far as I can see.
How to configure port mirroring on a VLAN?
Local port mirroring configuration roadmap : 1 Create a VLAN. 2 Add the source port and destination port to VLAN. 3 Configure IP address. 4 Configure port mirroring on the destination port, and copy the packet from the source port to the destination port. More
How does mirroring work in Hyper-V virtual switch port?
This means that when a source VM is live migrated it will mirror the traffic to that local destination VM. That works. You could try and live migrate source & destination VMs to the same host but this is not feasible in real life.