Can I enable per-port traffic shaping for the first time without user interruption?
A. No, when you enable per-port traffic shaping for the first time, it involves the dynamic downloading of new binaries to the network processor. It causes the link to bounce momentarily and stabilize once the downloading is complete. This download affects all ports, not just the port in which the per-port traffic shaping feature is enabled. It is recommended that you perform this procedure during a scheduled downtime. The following sample output shows the actual switch console output when traffic shaping is enabled: 2948GL3-A(config)#interface fastethernet 5 2948GL3-A(config-if)#traffic-shape rate 1000000 512000 Changing all linecard binary images to support Port QOS. 2w4d: Loading Shared CAM ISL ucode image on [FastEthernet2]No active members in this bvi, shutting down 2w4d: %STANDBY-6-STATECHANGE: Standby: 1: BVI1 state Standby -> Init 2w4d: Downloading micro code on [FastEthernet4]. 2w4d: %LINK-3-UPDOWN: Interface BVI1, changed state to down 2w4d: %LINEPROTO-5-UPDOWN: Line protocol
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