About IPv6

IP version 6 (IPv6) provides extended addressing capability beyond those provided in IP version 4 (IPv4) in Cisco MDS SAN-OS by quadrupling the number of network address bits from 32 bits (in IPv4) to 128 bits. The architecture of IPv6 has been designed to allow existing IPv4 users to transition easily to IPv6 while providing services such as end-to-end security, quality of service (QoS), and globally unique addresses.

IPv6 provides the following enhancements over IPv4:



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