Alcatel-Lucent 7450 Basic System Configuration Manual page 348

System Command Reference
Description This command enables the use of the system IP address in the ECMP hash algorithm to add a per
system variable. This can help guard against cases where multiple routers, in series, will end up
hashing traffic to the same ECMP/LAG path.
This command is set at a system wide basis, however if certain IOMs do not support the new load-
balancing algorithm, they will continue to use the default algorithm. By default, the IPv4 system IP
address is used in the hash algorithm. When no IPv4 system IP address is configured, the IPv6 system
IP address, when configured, is used in the hash algorithm.
The no form of the command resets the system wide algorithm to default.
Default
no system-ip-load-balancing
enforce-unique-if-index
Syntax [no] enforce-unique-if-index
Context config>system>ip
Description
This command enables the options to force the creation of IP interface indexes so that they are globally
unique across all routing contexts. In addition, the command ensures that any interface created using
SNMP also has a system-wide unique IP interface index.
If this command is issued but the system has previously existing interface indexes that conflict, the
command will be rejected until all the conflicts are removed. Pre-existing persistency tables should
also be removed before enabling this system option.
The no form of the command disables this option and returns the system to the default behavior.
Default no enforce-unique-if-index
lacp-system-priority
Syntax lacp-system-priority lacp-system-priority
no lacp-system-priority
Context config>system
Description
This command configures the Link Aggregation Control Protocol (LACP) system priority on
aggregated Ethernet interfaces. LACP allows the operator to aggregate multiple physical interfaces to
form one logical interface.
Default
32768
Parameters
lacp-system-priority — Specifies the LACP system priority.
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Values 1 to 65535
Basic System Configuration Guide