329
[Router-Tunnel0] source gigabitethernet 2/0/1
# Disable RA suppression so that the ISATAP host can acquire information such as the address
prefix from the RA message advertised by the ISATAP router.
[Router-Tunnel0] undo ipv6 nd ra halt
[Router-Tunnel0] quit
• Configure the ISATAP host:
Configurations on the ISATAP host vary by operating system. The following configuration is
performed on Windows XP.
# Install IPv6.
C:\>ipv6 install
# On a host running Windows XP, the ISATAP interface is typically interface 2. Display
information about the ISATAP interface.
C:\>ipv6 if 2
Interface 2: Automatic Tunneling Pseudo-Interface
Guid {48FCE3FC-EC30-E50E-F1A7-71172AEEE3AE}
does not use Neighbor Discovery
does not use Router Discovery
routing preference 1
EUI-64 embedded IPv4 address: 0.0.0.0
router link-layer address: 0.0.0.0
preferred link-local fe80::5efe:1.1.1.2, life infinite
link MTU 1280 (true link MTU 65515)
current hop limit 128
reachable time 42500ms (base 30000ms)
retransmission interval 1000ms
DAD transmits 0
default site prefix length 48
# Specify an IPv4 address for the ISATAP router.
C:\>netsh interface ipv6 isatap set router 1.1.1.1
# Display information about the ISATAP interface.
C:\>ipv6 if 2
Interface 2: Automatic Tunneling Pseudo-Interface
Guid {48FCE3FC-EC30-E50E-F1A7-71172AEEE3AE}
does not use Neighbor Discovery
uses Router Discovery
routing preference 1
EUI-64 embedded IPv4 address: 1.1.1.2
router link-layer address: 1.1.1.1
preferred global 2001::5efe:1.1.1.2, life 29d23h59m46s/6d23h59m46s (public)
preferred link-local fe80::5efe:1.1.1.2, life infinite
link MTU 1500 (true link MTU 65515)
current hop limit 255
reachable time 42500ms (base 30000ms)
retransmission interval 1000ms
DAD transmits 0
default site prefix length 48