HP Comware 5 Debug Manual Vol 3

// After encapsulation at the tunnel interface Tunnel 1, the source and destination IP addresses in the
packet header are 2.1.1.1 and 2.1.1. 2, and the packet length is 124.
*Mar 6 13:08:34:890 2008 Sysname DP6IN4/7/debug:
packet: Before decapsulation,
packet header 2.1.1.2->2.1.1.1(length = 124).
// Before decapsulation at the tunnel interface Tunnel 1, the source and destination IP addresses in the
packet header are 2.1.1. 2 and 2.1.1.1, and the packet length is 124 .
*Mar 6 13:08:34:890 2008 Sysname DP6IN4/7/debug:
Tunnel1 packet: After decapsulation,
outgoing packet header 2000:1234::1->1::1(length = 104).
// After encapsulation at the tunnel interface Tunnel 1, the source and destination IP addresses in the
packet header are 2000:1234::1 and 1: :1, and the packet length is 104.
debugging tunnel
Use debugging tunnel to enable tunnel debugging.
Use undo debugging tunnel to disable tunnel debugging.
Syntax
debugging tunnel { all | error | event | packet }
undo debugging tunnel { all | error | event | packet }
Default
Tunnel debugging is disabled.
Views
User view
Default command level
1: Monitor level
Parameters
all: Specifies all tunnel debugging.
error: Specifies Tunnel error debugging.
event: Specifies Tunnel event debugging.
packet: Specifies Tunnel packet debugging.
Examples
# Enable tunnel error debugging on the local device. The output in this example was created when the
following conditions exist:
•
Tunnel interfaces have been created on two devices.
•
The tunnel interface is in up state, but failed to notify the driver.
<Sysname> debugging tunnel error
*Jul 17 09:16:07:928 2008 Sysname TUNNEL/7/debug:
Failed to notify the driver of the interface up event
// The tunnel interface failed to notify the drive of the event that the interface is up.
# Create tunnel interfaces on two devices, and enable tunnel event debugging on the local device.
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