HP Comware 5 Debug Manual Vol 3

// Before decapsulation at the tunnel interface Tunnel 2, the source and destination IP addresses in the
packet header are 2003::0002 and 2003::0001, and the packet length is 144.
*0.3760312 Sysname IPV6-TUN/8/debug:
Tunnel2 packet: After decapsulation,
Outgoing packet header 2005::0002->2005::0001(length = 104)
// After encapsulation at the tunnel interface Tunnel 2, the source and destination IP addresses in the
packet header are 2005::0002 and 2005::0001, and the packet length is 104.
Reply from 2005::2: Bytes=56 Sequence=1 hop limit=255 time = 78 ms
--- 2005::2 ping statistics ---
1 packet(s) transmitted
1 packet(s) received
0.00% packet loss
round-trip min/avg/max = 78/78/78 ms
•
On multi-core devices:
# Establish an IPv6 6to4 tunnel between two devices and configure parameters to bring up the tunnel
interfaces. (Details not shown.)
# Configure a static IPv6 route with interface Tunnel 1 as the outgoing interface.
<Sysname> system-view
[Sysname] ipv6 route-static 2000:: 16 tunnel 1
# Enable IPv6 tunnel error debugging on the local device. The output in this example was created when
an IPv6 packet to destination 2000:1234::1 is sent through the 6to4 tunnel:
<Sysname> debugging ipv6-tunnel error
*Mar 6 13:02:40:734 2008 Sysname DP6IN4/7/debug:
error: IPv6 destination address is not 6to4 address.
*Mar 6 13:02:40:750 2008 Sysname DP6IN4/7/debug:
Tunnel1 error: Failed to get the tunnel's destination address.
// No destination IPv4 address can be obtained from the IPv6 packet due to an incorrect 6to4 address
format.
# Modify the static route configuration.
[Sysname] ipv6 route-static 2000:: 16 2002:201:102::1
[Sysname] quit
# Enable IPv6 tunnel packet debugging. The output in this example was created when you execute the
ping command:
<Sysname> debugging ipv6-tunnel packet
<Sysname> ping ipv6 –c 1 2000:1234::1
PING 2000:1234::1 56 data bytes, press CTRL_C to break
*Mar 6 13:08:34:875 2008 Sysname DP6IN4/7/debug:
Tunnel1 packet: Before encapsulation,
packet header 1::1->2000:1234::1(length = 104).
// Before encapsulation at the tunnel interface Tunnel 1, the source and destination IP addresses in the
packet header are 1: :1 and 2000:1234: :1, and the packet length is 104.
*Mar 6 13:08:34:890 2008 Sysname DP6IN4/7/debug:
Tunnel1 packet: After encapsulation,
outgoing packet header 2.1.1.1->2.1.1.2(length = 124).
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