Collecting And Evaluating Logs - Cisco Nexus 1000V Troubleshooting Manual

Collecting and Evaluating Logs

S e n d d o c u m e n t c o m m e n t s t o n e x u s 1 k - d o c f e e d b a c k @ c i s c o . c o m .
Symptom Possible Causes
A loop occurs. SVM ports are not correctly attached to the
inside and outside port profiles.
Collecting and Evaluating Logs
You can use the commands in this section from the VSM to collect and view logs related to VSD captured
as follows:
•
•
Command
module vem module_number execute
vemdpalog writelogs
module vem module_number execute
vemdpalog debug sfvsimagent all
module vem module_number execute
vemdpalog start
module vem module_number execute
vemdpalog stop
module vem module_number execute
vemdpalog show all
module vem module_number execute vemlog
debug sfvsim all
module vem module_number execute vemlog
start
module vem module_number execute vemlog
stop
module vem module_number execute vemlog
show all
Example 20-1 VSM Logs
2011 Feb 17 10:14:01 vsm vsim: <{vsim}> [DBG]==============ZONES===============
2011 Feb 17 10:14:01 vsm vsim: <{vsim}>[DBG]Zone_id: 1, name: vsd1, is_in_use? 1,
default_action: (DROP), member_cnt: 5
2011 Feb 17 10:14:01 vsm vsim: <{vsim}> [DBG]==============INTFS===============
Cisco Nexus 1000V Troubleshooting Guide, Release 4.2(1)SV2(2.1)
20-2
VSM logs: /var/log/external/startupdebug
VEM DPAlogs: /var/log/vemdpa.log
Chapter 20
Solution
1. Turn off the SVM looping capability or the SVM
itself.
2. Display the interfaces attached to the port
profiles.
show port-profile usage
3. Correct configuration errors.
For information about configuring VSD, see the
Cisco Nexus 1000V System Management
Configuration Guide, Release 4.2(1)SV2(1.1).
Description
Enables the DPA logs and writes them to
vemdpa.log.
Starts and stops DPA logging for viewing.
Displays DPA logs.
Enables DP logs.
Starts and stops DP logging for viewing.
Displays DPA logs.
Virtual Service Domain
OL-28795-01