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Parameters
Defaults
Command Modes
Command
History
Usage
Information
474
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Equal Cost Multi-Path
algorithm-number
ecmp hash algorithm
value
lag hash algorithm
value
nh-ecmp hash
algorithm value
linecard number
ip-sa-mask value
ip-da-mask value
0 for hash-algorithm value on TeraScale and ExaScale
IPSA and IPDA mask value is FF for line card
CONFIGURATION
Version 8.1.1.0
Introduced on E-Series ExaScale
Version 7.8.1.0
Added nh-ecmp option
Version 7.7.1.1
Added nh-ecmp option
Version 6.5.1.0
Added support for the line card option on TeraScale only
Version 6.3.1.0
Added the support for ECMP and LAG on TeraScale only
Set the he default hash-algorithm method on ExaScale systems to ensure CRC is not used for LAG. For
example, hash-algorithm ecmp xor lag checksum nh-ecmp checksum
To achieve the functionality of hash-align on the ExaScale platform, do not use CRC as a
hash-algorithm method
The hash value calculated with the hash-algorithm command is unique to the entire chassis. The hash
algorithm command with the line card option changes the hash for a particular line card by applying
the mask specified in the IPSA and IPDA fields.
The line card option is applicable with the lag-hash-align microcode only (refer to
(Config)). Any other microcode returns an error message as follows:
Enter the algorithm number.
Range: 0 to 47
Note: For EtherScale, range 0 to 15 is valid; 16 to 47 will be considered
as 15.
TeraScale and ExaScale Only: Enter the keyword
hash algorithm value.
Range: 0 to 47
TeraScale and ExaScale Only: Enter the keyword
algorithm value.
Range: 0 to 47
(OPTIONAL) Enter the keyword
algorithm value.
(OPTIONAL) TeraScale and ExaScale Only: Enter the keyword
followed by the line card slot number.
Range: 0 to 13 on an E1200/E1200i, 0 to 6 on an E600/E600i, and 0 to 5 on an
E300
(OPTIONAL) Enter the keyword
hash mask value.
Range: 0 to FF
Default: FF
(OPTIONAL) Enter the keyword
hash mask value.
Range: 0 to FF
Default: FF
ecmp
followed by the ECMP
lag
followed by the LAG hash
nh-ecmp
followed by the ECMP hash
ip-sa-mask
followed by the ECMP/LAG
ip-da-mask
followed by the ECMP/LAG
cam-profile
linecard
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