Cisco WS-C3020 Software Configuration Manual page 782

Understanding IPv6
switch2# show ipv6 interface fastethernet1/0/16
FastEthernet1/0/16 is up, line protocol is up
IPv6 is enabled, link-local address is FE80::20B:46FF:FE2E:9047
Global unicast address(es):
1016:1::20B:46FF:FE2E:9047, subnet is 1016:1::/64 [PRE]
Joined group address(es):
FF02::1
FF02::2
FF02::1:FF2E:9047
This is the configuration with Valid Lifetime and Preferred Lifetime with a prefix configured to
nondefault values on the router side:
switch2# show running-config interface gigabitethernet1/0/16
Building configuration...
Current configuration : 173 bytes
!
interface GigabitEthernet1/0/16
no switchport
no ip address
no keepalive
ipv6 address 1016:1::1/64
ipv6 address 1016:2::1/64
ipv6 nd prefix 1016:2::/64 180 180
end
switch2# show running-config interface fastethernet1/0/16
Building configuration...
Current configuration : 91 bytes
!
interface FastEthernet1/0/16
no switchport
no ip address
ipv6 address autoconfig
end
switch2# show ipv6 interface fastethernet1/0/16
FastEthernet1/0/16 is up, line protocol is up
IPv6 is enabled, link-local address is FE80::20B:46FF:FE2E:9047
Global unicast address(es):
1016:1::20B:46FF:FE2E:9047, subnet is 1016:1::/64 [PRE]
1016:2::20B:46FF:FE2E:9047, subnet is 1016:2::/64 [PRE/TEN]
Joined group address(es):
FF02::1
FF02::2
FF02::1:FF2E:9047
MTU is 1500 bytes
ICMP error messages limited to one every 100 milliseconds
ICMP redirects are enabled
ND DAD is enabled, number of DAD attempts: 1
ND reachable time is 30000 milliseconds
ND advertised reachable time is 0 milliseconds
ND advertised retransmit interval is 0 milliseconds
ND router advertisements are sent every 200 seconds
ND router advertisements live for 1800 seconds
Hosts use stateless autoconfig for addresses.
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
35-8
valid lifetime 2591906 preferred lifetime 604706
valid lifetime 2591999 preferred lifetime 604799
valid lifetime 179 preferred lifetime 179
Chapter 35 Configuring IPv6 Host Functions
OL-8915-03