debugging gre

Function

The debugging gre command enables debugging of a GRE tunnel.

The undo debugging gre command disables debugging of a GRE tunnel.

By default, the debugging of a GRE tunnel is disabled.

Format

debugging gre { keepalive | packet | all } [ interface { ifname | iftype ifnum } ]

undo debugging gre { keepalive | packet | all } [ interface { ifname | iftype ifnum } ]

Parameters

Parameter	Description	Value
keepalive	Enables keepalive message debugging.	-
packet	Enables debugging of GRE sent and received packets.	-
all	Enables all debugging functions for a GRE tunnel.	-
interface ifname	Specifies the name of an interface.	-
interface iftype ifnum	Specifies the type and number of an interface.	-

Views

User view

Default Level

3: Management level

Task Name and Operations

Task Name	Operations
gre	debug

Usage Guidelines

Usage Scenario

To help identify a GRE tunnel problem, run the debugging gre command to enable debugging of a GRE tunnel.

Example

# Enable debugging of a GRE tunnel.

<HUAWEI> debugging gre packet interface Tunnel 10
Mar 20 2013 06:09:24.903 HUAWEI %%01GRE/6/GRE_IF_PKT(d):CID=0x8037042c;GRE-PACKET: Received GRE packet from APP.. (Interface=Tunnel10)
 83 14 01 06 11 01 00 03 03 00 00 33 33 33 33 00
 1E 05 D9 11 01 02 01 10 84 04 0A 01 01 01 81 01
 CC F0 05 02 00 00 00 10 E5 02 00 00 D3 03 00 00
 00 08 FF 00 00 00 00 00 00 00 00 00 00 00 00 00

Mar 20 2013 06:09:24.903 HUAWEI %%01GRE/6/GRE_IF_PKT(d):CID=0x8037042c;GRE-PACKET: Sending GRE packet to SOCK.. (Interface=Tunnel10)

Mar 20 2013 06:09:24.983 HUAWEI %%01GRE/6/GRE_IF_PKT(d):CID=0x8037042c;GRE-PACKET: Received GRE packet from SOCK.. (Interface=Tunnel10)
 45 C0 30 01 52 94 00 00 FE 2F 62 31 02 02 02 02
 01 01 01 01 00 00 00 00 00 00 08 00 45 C0 01 44
 52 8F 00 00 FF 2F 61 36 02 02 02 02 01 01 01 01
 00 00 00 00 00 00 08 00 45 C0 01 44 52 8A 00 00