DHCPv6 Server
The DHCPv6 server enables network administrators to configure stateful/stateless options and manage
dynamic IPv6 users connecting to a network. You can also configure domain name server using DHCPv6.
You can configure IPv6 pools with various configurations such as lease duration, DNS server, vendor specific
options, and user defined options using DHCPv6. You can also exclude IPv6 addresses from subnets. Switch
IPv6 addresses, VLAN interface IPv6 addresses, and DNS server addresses are excluded from use by default.
Similar to DHCPv4, a DHCPv6 server pool is associated with a VLAN only through the IPv6 address configured
in that VLAN interface. A VLAN interface can have a maximum of three global unicast addresses, but only one
DHCPv6 pool.
DHCPv6 server supports stateless configuration of clients with options apart from the network addresses
described in RFC 3736.
Points to Remember
n Similar to IPv4, the default router configuration is not required for IPv6 pools as IPv6 compliant routers will
send RAs. The RA source address will be the default-gateway for the clients.
n AOS-W does not support DHCPv6 relay and Hospitality feature on DHCPv6.
n IPv6 clients will not get a global IPv6 address if a previous DHCP binding exists.
DHCP Lease Limit
The following table provides the maximum number of DHCP leases (both v4 and v6) supported per switch
platform:
There is a new enforcement to the existing DHCP limit during configuration.
Table 36: DHCP Lease Limits
Platform DHCP Lease Limit
OAW-4005 512
OAW-4010 1024
OAW-4024 1024
OAW-4030 2048
OAW-4450 4096
OAW-4550 5120
OAW-4650 10240
OAW-4750 15360
Configuring DHCPv6 Server
You must enable the global DHCPv6 knob for the DHCPv6 functionality to be operational. You can enable and
configure DHCPv6 server using the WebUI or CLI.
AOS-W 6.5.3.x | User Guide IPv6 Support | 146
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