Starting with ExtremeXOS 22.5, the ipv6-mask-length option provides greater hardware route scale and IP route sharing (ECMP) support for IPv6 “long-mask routes”, meaning IPv6 subnets with mask lengths 65–128 bits. This provides additional scale and resilience for IPv6 host routes whose mask length is 128 bits (see Limits). The default IPv6 mask length is 64.
Summit X670-G2, X770, and ExtremeSwitching X870, X690 series switches.
Increasing scale and providing ECMP for IPv6 mask 65–128 routes decreases IPv4 route scale.
Changes are underlined.
configure forwarding internal-tables [ l2-and-l3 | more [l2 | l3-and-ipmc | routes] {ipv6-mask-length [64 | 128]}]
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