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Spirent TestCenter: What is the meaning of Link Status Up and Software Disabled?

  • Spirent TestCenter.
  • Snapshot of link status as below:

Below are the possible reasons for this issue:

  • It could happen when we configure LAG with some ports along with devices under it but didn't change the IP addresses or gateways so it will overlap and we need to change it to resolve this issue.
  • LAG is just configured but not started.
  • IP and gateway address overlap.

We need to properly configure the IP address and default gateway address of LAG devices. then start the LAG (under the LACP tab) to resolve this issue.

Some things to be aware of:
  • If you see STC LAG goes down or flaps.
    • Make sure STC receives LACP messages from only one link partner.
  • STC can still be a LAG without LACP.
    • Disable (inactivate) LACP on the LAG ports.

Product : Spirent TestCenter,LACP