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question about assigning ipv6 pool in router !!!

Dr.X
Level 2
Level 2

hi  , im trying to assign ipv6 pool in a router and want the interface loopback2 to be the default gateway of the pool

assume i have the prefix 2aaa:aaa::/64 

what  i want is :

i just want to put an ipv6 addrresst to interface on my router , and use  wriete an ipv6 pool that  assign the prefix to users :

assume on the router  on loopback 2

ipv6 address

2aaa:aaa::1/64 to be the default gateway of users .

my question is how to type a pool that  start assigning the ipv6 ips to users that start from

2aaa:aaa::2--------------2aaa:aaa:ffff:fffff:fffff:fffff:fffff:fffff

and i want the users to get the prefix lenght /64 so as they be in the same subnet of the gateway ?>??

???

regards

Ahmad

3 Replies 3

cadet alain
VIP Alumni
VIP Alumni

Hi,

just using SLAAC  would me it work. it's not mandatory to use a DHCPv6 pool.

take advantage of this:http://www.cisco.com/en/US/docs/ios/ipv6/command/reference/ipv6_07.html#wp2359793

But the default-gateway would be the link-local address then.

here is for dhcpv6 : http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp.html

Regards.

Alain

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hi cadet ,

thanks for ur reply ,

wt i need t to uses stateless dhcp on my router to the clients ,

i mean i want to give the clinets

1 -dns ipv6

2-prefix ========> /64

3-gateway ========> loopback interface in my router

and want the cleints to use eui6-4  to get thier prefix lenght , and get total 128 bits .

i read about dhcpv6 , here is an example

========================

ipv6 dhcp pool dhcp-pool
 dns-server 2001:DB8:A:B::1
 dns-server 2001:DB8:3000:3000::42
 domain-name example.com
!
interface Ethernet 0/0
 description Access link down to customers
 ipv6 address 2001:DB8:1234:42::1/64
 ipv6 nd other-config-flag
 ipv6 dhcp server dhcp-pool

======================================

agian ,  i  have a virtual templae interface that will assign ipv6 address  to  the ADSL routers of the clients .

i will post the current config of my virtual template and need to know wt i need to modify as brief steps  plz

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

interface Loopback2

no ip address

ipv6 address 2A03:C30::FFFF/64

!!

!

interface Virtual-Template1

ip unnumbered Loopback1

ip tcp adjust-mss 1412

no logging event link-status

ipv6 unnumbered Loopback2

no ipv6 nd ra suppress

peer default ipv6 pool a2

ppp mtu adaptive

ppp authentication pap vpdn

ppp authorization vpdn

ppp accounting vpdn

!!

ipv6 local pool a2 2A03:CA47::/64 64

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

agian ,  the ipv6 on my loopback 2 interface cnat be in the same subnet o the ipv6 pool , im unable to do it

as u see above , its my current config , and agian ,

in ipv4 pool , i find it is easy with no problems , but i want to assign now ipv6 , wt i need to modify in my current config above ?????

regards

Ahmad

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