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Beginner

Cannot find ipv6 dhcp client pd option under interface configuration

I have an R3925 with c3900-universalk9-mz.SPA.151-2.T3.bin with SEC loaded:

 

 

Technology Package License Information for Module:'c3900'

----------------------------------------------------------------
Technology    Technology-package          Technology-package
              Current       Type          Next reboot
-----------------------------------------------------------------
ipbase        ipbasek9      Permanent     ipbasek9
security      securityk9    Permanent     securityk9
uc            None          None          None
data          None          None          None

The problem I am having is that I have enabled ipv6 unicast-routing, at the global level, and the interface level has ipv6 enable, yet I am unable to get a pd from the ISP as there is no option available for it in the interface:

r3925#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
r3925(config)#int g0/1
r3925(config-if)#ipv6 dhcp client ? 
  information  Configure information refresh option
  request      Request

r3925(config-if)#ipv6 dhcp client 

Other relevant configuration:

r3925#show run int g0/1
Building configuration...

Current configuration : 222 bytes
!
interface GigabitEthernet0/1
 ip address 192.168.1.2 255.255.255.0
 ip nat outside
 ip virtual-reassembly in
 duplex auto
 speed auto
 ipv6 address FE80::1 link-local
 ipv6 address autoconfig default
 ipv6 enable
end

r3925#show run | inc ipv6
ipv6 unicast-routing
ipv6 cef
 ipv6 address FE80::1 link-local
 ipv6 address autoconfig default
 ipv6 enable

Any suggestions?

 

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