Interfaces
Page 508 7750 SR Interface Configuration Guide
key is assigned by default if a value is not specified.
Values 1 — 65535
system-priority priority — Specifies the system priority.
Values 1 — 65535
Default 32768
lacp-mux-control
Syntax lacp-mux-control {coupled | independent}
no lacp-mux-control
Context config>lag
Description This command configures the type of multiplexing machine control to be used in a LAG with LACP in 
active/passive modes.
The no form of the command disables multiplexing machine control.
Default coupled
Parameters coupled — TX and RX activate together.
independent — RX activates independent of TX.
lacp-xmit-interval
Syntax lacp-xmit-interval {slow | fast}
Context config>lag
Description This command specifies the interval signaled to the peer and tells the peer at which rate it should transmit.
Default fast
Parameters slow — Transmits packets every 30 seconds.
fast — Transmits packets every second. 
lacp-xmit-stdby
Syntax [no] lacp-xmit-stdby
Context config>lag
Description This command enables LACP message transmission on standby links.