Config Debug-Trace Ip-Forwarding - Extreme Networks ExtremeWare Command Reference Manual

config debug-trace ip-forwarding

config debug-trace ip-forwarding <debug level>
Description
This command records IP forwarding debug information to the syslog.
Syntax Description
debug level
Default
The default level is 0.
Usage Guidelines
The
debug level
the messages recorded at lower levels.
Use level 1 to detect symptoms. Use level 2 to trace the flow of packet processing. All levels show layer
3 information.
Example
The following command sets the reporting level for IP forwarding errors to 2:
config debug-trace ip-forwarding 2
Following is the log output at this level:
<WARN:IPRT> ip_slowpath.c 400: DROP: Bad IP header chksum.
source/dest=211.41.176.100/210.10.20.100
<WARN:IPRT> ip_input.c 220:DROP: Bad chksum rtif/port=2/1:1
source/dest=211.41.176.100/210.10.20.100
<WARN:IPRT> ip_slowpath.c 432:DROP: Dest is a blackhole.
source/dest=211.41.176.100/200.10.10.100
<WARN:IPRT> ip_input.c 532: DROP: Dest is a blackhole. rtif/port=2/1:1 source/dest =
211.41.176.100 / 200.10.10.100
<WARN:IPRT> ip_slowpath.c 450: DROP: Dest is a VIP and slb-type has not been
configured on the VLANs. Source/dest= 200.1.1.200 /211.41.175.1
<WARN:IPRT> ip_slowpath.c 454: DROP: Cannot find route (NETUNREACH).
source/destination=211.41.176.100/211.41.174.100
ExtremeWare Software 7.0.0 Command Reference Guide
Specifies a debug level:
0 — None.
1 — Records warning messages, such as "bad checksum" or "short header length."
2 — Records informational messages, with information such as source IP address,
destination IP address, ingress port, and router interface.
3 — Displays a dump of each packet.
4 — No additional information recorded.
5 — No additional information recorded.
range is 0 to 5. Higher levels record more verbose messages. Higher levels also record
config debug-trace ip-forwarding
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