Host Logging; Dhcp, Dai, And Ipsg Troubleshooting Commands - Cisco Nexus 1000V Troubleshooting Manual

DHCP, DAI, and IPSG Troubleshooting Commands

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 .

Host Logging

You can use the commands in this section from the ESX host to collect and view logs related to DHCP,
DAI, and IP Source Guard.
ESX Host Command
echo "logfile enable" > /tmp/dpafifo
echo "debug sfdhcpsagent all" > /tmp/dpafifo
vemlog debug sfdhcps all
vemlog debug sfdhcps_config all
vemlog debug sfdhcps_binding_table all
DHCP, DAI, and IPSG Troubleshooting Commands
You can use the commands in this section to troubleshoot problems related to DHCP snooping, DAI, and
IP Source Guard.
Command
show running-config dhcp
show ip dhcp snooping
show ip dhcp snooping binding
show feature
show ip arp inspection
show ip arp inspection interface vethernet
interface-number
Cisco Nexus 1000V Troubleshooting Guide, Release 4.2(1)SV2(2.1)
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Chapter 19
Description
Enables DPA debug logging.
Logs are output to /var/log/vemdpa.log file.
Enables DPA DHCP agent debug logging.
Logs are output to /var/log/vemdpa.log file.
Enables datapath debug logging, and captures
logs for the data packets sent between the client
and the server.
Enables datapath debug logging, and captures
logs for configuration coming from the VSM.
Enables datapath debug logging, and captures
logs corresponding to binding database changes.
Description
Displays the DHCP snooping, DAI, and IP Source
Guard configuration
See Example 19-1 on page
Displays general information about DHCP
snooping.
See Example 19-2 on page
Display the contents of the DHCP snooping
binding table.
See Example 19-3 on page
Displays the features available, such as DHCP,
and whether they are enabled.
See Example 19-4 on page
Displays the status of DAI.
See Example 19-5 on page
Displays the trust state and ARP packet rate for a
specific interface.
See Example 19-6 on page
DHCP, DAI, and IPSG
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