1. Application Scenario
Mirroring is a function that copies packets on a specified port (source port or mirrored port) to another specified port (destination port or observing port).
During network operation and maintenance, network administrators often need to obtain and analyze packets on devices for service monitoring and fault location purposes.
The mirroring function copies packets on a mirrored port to an observing port without affecting packet processing on devices. Network administrators can analyze the copied packets sent from an observing port to a monitoring device to determine whether services running on a network are normal.
2. Configuration Roadmap
(1) Configure the port that connects Huawei Switch A to the monitoring device as an observing port.
(2) Configure the port that packets to be mirrored pass through as a mirrored port to mirror the received or sent packets to the observing port.
(3) Start the monitoring software on the monitoring device to obtain mirrored packets.
3. Procedure
(1) Configure GE0/0/20 on Switch A as an observing port.
[SwitchA] observe-port 1 interface gigabitethernet 0/0/20
(2) Mirror the packets received by GE0/0/7 to the observing port
[SwitchA] interface gigabitethernet 0/0/7
[SwitchA- GigabitEthernet0/0/7] port-mirroring to observe-port 1 inbound
[SwitchA- GigabitEthernet0/0/7] quit
(3) Start a packet analyzer software on the monitoring device.
If you have still have problem to use Huawei switch like S3700 S5700 S6700 S6720 port mirroring, you can contact thunder-link.com support teams.
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