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Description
This command specifies the timer, in tenths of seconds, which controls the delay between detecting that a
LAG is down (all active ports are down) and reporting it to the higher levels.
A non-zero value can be configured, for example, when active/standby signalling is used in a 1:1 fashion to
avoid informing higher levels during the small time interval between detecting that the LAG is down and the
time needed to activate the standby link.
Default
0
Parameters
down hold-down-time — Specifies the hold-time for event reporting
Values
lacp
Syntax
lacp [mode] [administrative-key admin-key] [system-id system-id][system-priority priority]
Context
config>lag
Description
This command specifies the LACP mode for aggregated Ethernet interfaces only. This command enables the
LACP protocol. Per the IEEE 802.3ax standard (formerly 802.3ad), the Link Aggregation Control Protocol
(LACP) provides a standardized means for exchanging information between Partner Systems on a link to
allow their Link Aggregation Control instances to reach agreement on the identity of the Link Aggregation
Group to which the link belongs, move the link to that Link Aggregation Group, and enable its transmission
and reception functions in an orderly manner. LACP can be enabled on a maximum of 256 ports.
Default
no lacp
Parameters
mode — Specifies the mode in which LACP will operate.
Values
administrative-key admin-key — Specifies an administrative key value to identify the channel group on
each port configured to use LACP. This value should be configured only in exceptional cases. If it is not
specified, a random key is assigned.
Values
lacp-xmit-interval
Syntax
lacp-xmit-interval {slow | fast}
Context
config>lag
Description
This command sepcifies 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.
7710 SR OS Interface Configuration Guide
0 — 2000
passive — Starts transmitting LACP packets only after receiving packets.
active — Initiates the transmission of LACP packets.
power-off — Disables transmitter of standby ports.
1 — 65535
Interface Configuration
Page 305
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