Cisco 10000-2P2-2DC Software Configuration Manual page 133

Chapter 3 Configuring Remote Access to MPLS VPN
Command
Router# debug ip packet
Router# debug ip dhcp
Router# debug ip dhcp server events
Router# debug ip dhcp server packet
Because debugging output is assigned high priority in the CPU process, it can render the system
Caution
unusable. For this reason, use debug commands only to troubleshoot specific problems or during
troubleshooting sessions with Cisco Systems technical support personnel. Moreover, it is best to use
debug commands during periods of lower network traffic and fewer users. Debugging during these
periods decreases the likelihood that increased debug command processing overhead will affect system
use.
For more information, see the "Troubleshooting DSL Access to MPLS VPN Integration" chapter in the
Note
Troubleshooting Cisco Remote Access to MPLS VPN Integration, Release 2.0.
OL-2226-23
Purpose
Displays general IP debugging information and IP security option
(IPSO) security transactions.
Note This command is useful if the RFC 1483 PVC does not
connect.
Displays information about DHCP client activities and the status
of DHCP packets.
Reports server events, such as address assignments and database
updates.
Decodes DHCP receptions and transmissions.
Cisco 10000 Series Router Software Configuration Guide
Monitoring and Maintaining RBE to MPLS VPN
3-49