I have setup 2 routers, and one is acting as a IPV6 DHCP server and other as a client. Client receiving ipv6 address but unable to ping the server. Please advice where I am wrong.
DHCP Router Current running config as following
============================================================================================
DHCP#show run
Building configuration...
Current configuration : 774 bytes
!
version 15.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname DHCP
!
!
!
!
!
!
!
!
ip cef
ipv6 unicast-routing
!
no ipv6 cef
!
ipv6 dhcp pool STATEFUL_POOL
address prefix 2000::/64 lifetime 172800 86400
dns-server 2000::1
domain-name sunny.com
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0/0
no ip address
duplex auto
speed auto
ipv6 nd ra suppress
ipv6 address 2000::1/64
ipv6 dhcp server STATEFUL_POOL
!
interface GigabitEthernet0/0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Vlan1
no ip address
shutdown
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
Client Running Config as following
================================================================================================
DHCP#show run
Building configuration...
Current configuration : 774 bytes
!
version 15.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname DHCP
!
!
!
!
!
!
!
!
ip cef
ipv6 unicast-routing
!
no ipv6 cef
!
ipv6 dhcp pool STATEFUL_POOL
address prefix 2000::/64 lifetime 172800 86400
dns-server 2000::1
domain-name sunny.com
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0/0
no ip address
duplex auto
speed auto
ipv6 nd ra suppress
ipv6 address 2000::1/64
ipv6 dhcp server STATEFUL_POOL
!
interface GigabitEthernet0/0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Vlan1
no ip address
shutdown
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
Client information as following
============================================================================================
CLIENT#show ipv6 int bri
GigabitEthernet0/0 [up/up]
FE80::2D0:BAFF:FE9E:C101
2000::2025:9E7A:386:4DD9
GigabitEthernet0/1 [administratively down/down]
unassigned
GigabitEthernet0/2 [administratively down/down]
unassigned
Vlan1 [administratively down/down]
unassigned
CLIENT#show ipv6 int gi 0/0
GigabitEthernet0/0 is up, line protocol is up
IPv6 is enabled, link-local address is FE80::2D0:BAFF:FE9E:C101
No Virtual link-local address(es):
Global unicast address(es):
2000::2025:9E7A:386:4DD9, subnet is 2000::2025:9E7A:386:4DD9/128 [CAL/PRE]
Joined group address(es):
FF02::1
FF02::1:FF86:4DD9
FF02::1:FF9E:C101
MTU is 1500 bytes
ICMP error messages limited to one every 100 milliseconds
ICMP redirects are enabled
ICMP unreachables are sent
ND DAD is enabled, number of DAD attempts: 1
ND reachable time is 30000 milliseconds
CLIENT#ping 2000::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2000::1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
============================================================================================
DHCP Server interface configuration as following
DHCP#show ipv6 interface bri
GigabitEthernet0/0/0 [up/up]
FE80::201:97FF:FE04:2C01
2000::1
GigabitEthernet0/0/1 [administratively down/down]
unassigned
Vlan1 [administratively down/down]
unassigned
DHCP#show ipv6 interface bri
GigabitEthernet0/0/0 [up/up]
FE80::201:97FF:FE04:2C01
2000::1
GigabitEthernet0/0/1 [administratively down/down]
unassigned
Vlan1 [administratively down/down]
unassigned
Able to ping itself
DHCP#ping 2000::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2000::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/7 ms
