HP Comware 5 Debug Manual Vol 3

Tunneling debugging commands
The output description tables in this document only contain fields and messages that require an
explanation.
debugging ipv4-tunnel
Use debugging ipv4-tunnel to enable IPv4 tunnel debugging.
Use undo debugging ipv4-tunnel to disable IPv4 tunnel debugging.
Syntax
debugging ipv4-tunnel { all | error | packet }
undo debugging ipv4-tunnel { all | error | packet }
Default
No IPv4 tunnel debugging is enabled.
Views
User view
Default command level
1: Monitor level
Parameters
all: Specifies all IPv4 tunnel debugging.
error: Specifies IPv4 tunnel error debugging.
packet: Specifies IPv4 tunnel packet debugging.
Usage guidelines
Table 1 describes the output fields and messages for the debugging ipv4-tunnel error command (on
single-core devices).
Table 230 Output from the debugging ipv4-tunnel error command (on single-core devices)
Field
Description
Tunnelnum error: Failed to transmit packet
IPv4 tunneling failed to send a tunnel packet from
tunnel interface num.
Invalid IPv4 source address. Dropped the packet
The outbound packet was discarded because the
source address in the IPv4 header is invalid.
Invalid IPv6 source address. Dropped the packet
The outbound packet was discarded because the
source address in the IPv6 header is invalid.
No tunnel in the state of UP was found for the packet.
Dropped the packet
The packet was discarded because no tunnel in the up
state is found for decapsulating the packet.
Table 2 describes the output fields and messages for the debugging ipv4-tunnel error command (on
multi-core devices).
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