HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Configuration G - Page 184

Configuring an IPv4 over IPv6 tunnel

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# Ping the IPv4 address of the peer interface VLAN-interface 100 from each switch. The following shows the output on Switch A. [SwitchA] ping -a 10.1.1.1 10.1.3.1 Ping 10.1.3.1 (10.1.3.1) from 10.1.1.1: 56 data bytes, press CTRL_C to break 56 bytes from 10.1.3.1: icmp_seq=0 ttl=255 time=2.000 ms 56 bytes from 10.1.3.1: icmp_seq=1 ttl=255 time=1.000 ms 56 bytes from 10.1.3.1: icmp_seq=2 ttl=255 time=0.000 ms 56 bytes from 10.1.3.1: icmp_seq=3 ttl=255 time=1.000 ms 56 bytes from 10.1.3.1: icmp_seq=4 ttl=255 time=1.000 ms --- Ping statistics for 10.1.3.1 --5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss round-trip min/avg/max/stddev = 0.000/1.000/2.000/0.632 ms Configuring an IPv4 over IPv6 tunnel Follow these guidelines when you configure an IPv4 over IPv6 tunnel: • The destination address specified for the local tunnel interface must be the source address specified for the peer tunnel interface, and vice versa. • Two or more local tunnel interfaces using the same encapsulation protocol must have different source and destination addresses. • If the destination IPv4 network is not on the same subnet as the IPv4 address of the local tunnel interface, you must configure a route destined for the destination IPv4 network through the tunnel interface. You can configure a static route, and specify the local tunnel interface as the egress interface or specify the IPv6 address of the peer tunnel interface as the next hop. Alternatively, you can enable a dynamic routing protocol on both tunnel interfaces to achieve the same purpose. For the detailed configuration, see Layer 3-IP Routing Configuration Guide. To configure an IPv4 over IPv6 tunnel: Step 1. Enter system view. 2. Enter tunnel interface view. 3. Configure an IPv4 address for the tunnel interface. 4. Configure the source address or interface for the tunnel interface. Command system-view interface tunnel number [ mode ipv6 ] ip address ip-address { mask | mask-length } [ sub ] source { ipv6-address | interface-type interface-number } Remarks N/A N/A By default, no IPv4 address is configured for the tunnel interface. By default, no source address or interface is configured for the tunnel. The specified source address or the primary IPv6 address of the specified source interface is used as the source IPv6 address of tunneled packets. 176

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176
# Ping the IPv4 address of the peer interface VLAN-interface 100 from each switch. The following shows
the output on Switch A.
[SwitchA] ping -a 10.1.1.1 10.1.3.1
Ping 10.1.3.1 (10.1.3.1) from 10.1.1.1: 56 data bytes, press CTRL_C to break
56 bytes from 10.1.3.1: icmp_seq=0 ttl=255 time=2.000 ms
56 bytes from 10.1.3.1: icmp_seq=1 ttl=255 time=1.000 ms
56 bytes from 10.1.3.1: icmp_seq=2 ttl=255 time=0.000 ms
56 bytes from 10.1.3.1: icmp_seq=3 ttl=255 time=1.000 ms
56 bytes from 10.1.3.1: icmp_seq=4 ttl=255 time=1.000 ms
--- Ping statistics for 10.1.3.1 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.000/1.000/2.000/0.632 ms
Configuring an IPv4 over IPv6 tunnel
Follow these guidelines when you configure an IPv4 over IPv6 tunnel:
•
The destination address specified for the local tunnel interface must be the source address specified
for the peer tunnel interface, and vice versa.
•
Two or more local tunnel interfaces using the same encapsulation protocol must have different
source and destination addresses.
•
If the destination IPv4 network is not on the same subnet as the IPv4 address of the local tunnel
interface, you must configure a route destined for the destination IPv4 network through the tunnel
interface. You can configure a static route, and specify the local tunnel interface as the egress
interface or specify the IPv6 address of the peer tunnel interface as the next hop. Alternatively, you
can enable a dynamic routing protocol on both tunnel interfaces to achieve the same purpose. For
the detailed configuration, see
Layer 3—IP Routing Configuration Guide
.
To configure an IPv4 over IPv6 tunnel:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter tunnel interface
view.
interface tunnel
number
[
mode
ipv6
]
N/A
3.
Configure an IPv4
address for the tunnel
interface.
ip address
ip-address { mask |
mask-length } [
sub
]
By default, no IPv4 address is configured
for the tunnel interface.
4.
Configure the source
address or interface for
the tunnel interface.
source
{ ipv6-address |
interface-type interface-number }
By default, no source address or interface
is configured for the tunnel.
The specified source address or the
primary IPv6 address of the specified
source interface is used as the source IPv6
address of tunneled packets.