Forwarding Mode Configuration - Lenovo RackSwitch G8264 Command Reference Manual

Forwarding Mode Configuration

702
G8264 Command Reference for ENOS 8.4
This feature configures the switch Layer 2 packet forwarding methodology to
either Cut‐Through or Store‐and‐Forward.
Table 398.
Forwarding Mode Options
Command Syntax and Usage
boot forwarding­mode {cut­through|store­and­forward}
Configures the Layer 2 packet forwarding methodology:
In cut­through mode, packets are forwarded immediately after the

destination MAC address in the packet header is examined, without
reading the rest of the packet. This reduces latency, but may propagate
potentially corrupted packets.
In store­and­forward mode, the switch examines the entire packet and

compares the Cyclic‐Redundancy‐Check (CRC) field against its own
Frame‐Check‐Sequence (FCS) computation. The switch then drops
corrupted packets and forwards only intact packets.
The default value is cut­through.
You must reboot the switch for this change to take effect.
Command mode: Global configuration