Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 706
ip ecmp-group maximum-paths, link-bundle-utilization trigger-threshold
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Parameters Default Command Mode Usage Information Example ● ecmp-Enables the ECMP hash configuration. ● lag-Enables the LAG hash configuration for Layer 2 (L2) only. ● seed-Changes the hash algorithm seed value to get a better hash value. ● seed-value-Enter a hash algorithm seed value, from 0 to 4294967295. ● crc-Enables the cyclic redundancy check (CRC) polynomial for hash computation. ● crc16cc-16 bit CRC16 using CRC16-CCITT polynomial ● crc32LSB-LSB 16 bits of computed CRC32(default) ● crc32MSB-MSB 16 bits of computed CRC32 ● xor - Enables upper 8 bits of CRC and lower 8 bits of XOR value for computation. ● xor1-Enables upper 8 bits of CRC16-BISYNC and lower 8 bits of xor1 ● xor2-Enables upper 8 bits of CRC16-BISYNC and lower 8 bits of xor2 ● xor4-Enables upper 8 bits of CRC16-BISYNC and lower 8 bits of xor4 ● xor8-Enables upper 8 bits of CRC16-BISYNC and lower 8 bits of xor8 ● random - Enables a hash algorithm random seed value for ECMP or LAG hash computation. crc CONFIGURATION The hash value calculated with this command is unique to the entire system. Different hash algorithms are based on the number of port-channel members and packet values. The default hash algorithm yields the most balanced results in various test scenarios, but if the default algorithm does not provide a satisfactory distribution of traffic, use this command to designate another algorithm. When a port-channel member leaves or is added to the port-channel, the hash algorithm recalculates to balance traffic across the members. The no version of this command returns the value to the default. OS10(config)# hash-algorithm lag crc Supported Releases 10.3.0E or later ip ecmp-group maximum-paths Configures the maximum number of ECMP paths per route. Syntax Parameters Default Command Mode Usage Information Example ip ecmp-group maximum-paths number number - Enter the maximum number of ECMP paths, from 2 to 128. 64 CONFIGURATION To save the new ECMP settings, use the write memory command, then reload the system for the new settings to take effect. The no version of this command returns the value to the default. OS10# configure terminal OS10(config)# ip ecmp-group maximum-paths 2 OS10(config)# exit OS10# write memory OS10# reload Supported Releases 10.4.3.0 or later link-bundle-utilization trigger-threshold Configures a threshold value to trigger traffic monitoring distribution on an ECMP link bundle. Syntax link-bundle-utilization trigger-threshold value 706 Layer 3
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