IPV6 Subnetting Query

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Created: Dec 25, 2021 18:07:47Latest reply: Dec 26, 2021 11:18:16 208 2 1 0 0

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hi i am deploying the IPOE+NAT444+Dual-stack solution .

i have one query realted to the IPV6.

i am using the DHCPv6(IA_NA)+PD(IA_PD) method for the IPV6 allocaltion to the CPE WAN+LAN.

The CPE initiates a connection request. After receiving the request, the BNG allocates an IPv6 address to the WAN interface on the CPE and a prefix to generate IPv6 addresses for the hosts attached to the CPE.

can anyone explain why we are generally using the /64 subnet for the LAN.

if use dual-stack for IPV4 we can use the /24 subnet to allocate IP to 254 user same we can use the /120 subnet in IPV6 to to allocate IP to 256 user but we are using the /64 subnet any expert explain the reason.

IPV6 IPv6-PD

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chenhui Admin Created Dec 26, 2021 01:23:19

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Created Dec 26, 2021 11:18:16

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