Netgear XCM8806 Chassis Hardware Installation Guide - Page 1347

NETGEAR 8800 Chassis Switch CLI Manual configure debug core-dumps memorycard The following example enables the switch to save debug information to the internal memory card: configure debug core-dumps internal-memory configure forwarding hash-algorithm configure forwarding hash-algorithm [crc16 | crc32] {dual-hash [on | off]} Description Modifies hardware table utilization by configuring the hash algorithm or dual-hash settings. Syntax Description crc16 crc32 on off Specifies the CRC16 hash algorithm. Specifies the CRC32 hash algorithm. This is the default setting. Specifies that the dual-hash feature be turned on for the L3 Hash Table for hardware with dual-hash capability. With dual-hash on, each hash bucket is divided into two half-buckets with independent hash algorithms. One half-bucket uses the configured hash algorithm (CRC16 or CRC32), and the other half-bucket uses an alternate hash algorithm. This is the default setting. Specifies that the dual-hash feature be turned off, even for hardware with dual-hash capability. Default The default hash algorithm is crc32. The dual-hash default is "on." Usage Guidelines Note: Modify the hardware table hash algorithm only with the guidance of NETGEAR technical personnel. The switch uses a hash algorithm to decide where to store the addresses in the hardware table. The standard, default hash algorithm works well for most systems; however, for some addresses with certain patterns, the hardware may attempt to store address information in the same section of the hardware. Example The following command modifies the hardware table hash algorithm to crc16: configure forwarding hash-algorithm crc16 Appendix B. Troubleshooting Commands | 1347