debug dhcp-client events

The following example displays debugging information about DHCP client events related to the configuration.

device# debug dhcp-client events

"DHCPC: failed to delete static ip-address to ip-address"
"DHCPC: failed to set the port ip-address to ip-address; subnet mask ip-address"
"DHCPC: changing port port-id state from REQUEST to BOUND"
"DHCPC: exceeds maximum some-number DNS servers"
"DHCPC: added ip-address dns-server address"
"DHCPC: failed to set the port ip-address to ip-address; subnet mask ip-address"
"DHCPC: TFTP timeout error for bootfile name %s"
"DHCPC: TFTP client busy"
"DHCPC: TFTP error wrong file type"
"DHCPC: TFTP long file name error"
"DHCPC: TFTP vlan-id invalid"
"DHCPC: TFTP flash write errors"
"DHCPC: TFTP error out of buffer space"
"DHCPC: TFTP flash read error"
"DHCPC: TFTP flash preparation for read failed"
"DHCPC: TFTP flash preparation for write failed"
"DHCPC: %s failed to save running-configuration"
"DHCPC: changing protocol from running to stopped"
"DHCPC: changing protocol from stopped to running"
"DHCPC: Auto update in progress, cannot change DHCP client state on port port-id "
"DHCPC: invalid parameter for "
"DHCPC: dhcp_get_next_port() bad port number port-id"
"DHCPC: sent DHCP-REQUEST message on port port-id \”
"DHCPC: sent DHCP-RENEWING message on port port-id”
"DHCPC: sent DHCP-REBINDING message on port port-id "
"DHCPC: sent DHCP-RELEASE message on port port-id "
"DHCPC: received packet port port-id"
"DHCPC: received bad packet port port-id, no DHCP END OPT found"
"DHCPC: received offer message on port port-id"
"DHCPC: received non matching 'xid' (0x%X) in offer message"
"DHCPC: changing port port-id state from INIT-SELECTING to INIT-SELECTING"
"DHCPC: changing port port-id state from INIT-SELECTING to REQUEST"
"DHCPC: received DHCPCACK message on port port-id"
"DHCPC: received non matching 'xid'(0x%X) in DHCPCACK message"
"DHCPC: changing timer-event to SEEKING_CONFIGURATION_AND_WAITING_FOR_OFFERS"
"DHCPC: received non matching 'xid'(0x%X) in DHCPNAK message"
"DHCPC: deleting existing ip address configuration on port port-id"
"DHCPC: received DHCPNAK packet on port port-id”
“DHCPC: changing port port-id state from REQUEST to INIT-SELECTING”
“DHCPC: received DHCPCOFFER packet on port port-id> while in bound state”
"DHCPC: received DHCPCREQUEST packet on port port-id while in bound state"
"DHCPC: received DHCPCDECLINE packet on port port-id while in bound state"
"DHCPC: received DHCPCACK packet on port port-id while in bound state"
"DHCPC: received DHCPCNAK packet on port port-id while in bound state"
"DHCPC: received DHCPCRELEASE packet on port port-id while in bound state"
"DHCPC: received DHCPCINFORM packet on port port-id while in bound state"
"DHCPC: received DHCPCINFORM packet on port port-id while in bound state"
"DHCPC: received unknown packet on port port-id while in bound state"
"DHCPC: received DHCPACK packet in renewal-state on port port-id"
"DHCPC: received non matching 'xid'(0x%X) in RENEWAL message"
"DHCPC: TFTP flash read error"
"DHCPC: changing port port-id state from RENEWING to BOUND"
"DHCPC: received non matching 'xid'(0x%X) in DHCPNAK message"
"DHCPC: received DHCPNAK packet in renewal-state on port port-id"
"DHCPC: changing port port-id state from RENEWING to INIT-SELECTING"
"DHCPC: received DHCPACK packet in rebind-state on port port-id"
"DHCPC: received non matching 'xid'(0x%X) in REBIND message"
"DHCPC: changing port port-id state from REBINDING to BOUND"
"DHCPC: received non matching 'xid'(0x%X) in DHCPNAK message"
"DHCPC: received DHCPNAK packet in renewal-state on port port-id"
"DHCPC: changing port port-id state from REBIND to INIT-SELECTING"
"DHCPC: sending packet port port-id"
"DHCPC: send completion called on port: port-id"
"DHCPC: Freeing packet"
"DHCPC: unable to get some-number option from dhcp message from port port-id"
"DHCPC: received server id address option: ip-address from port port-id"
"DHCPC: received lease-time option: some-number from port port-id"
"DHCPC: received domain-name option: %s from port port-id"
"DHCPC: received dns-server address option: ip-address from port port-id"
"DHCPC: received default-router address option: ip-address from port port-id"
"DHCPC: received TFTP server name option: %s from port port-id"
"DHCPC: received TFTP server address option: ip-address from port port-id"
"DHCPC: received Bootfile name option: %s from port port-id"
"DHCPC: received 'hostname' option: %s from port port-id"
"DHCPC: received maximum message size option: some-number from port port-id"
"DHCPC: lease timer events called with invalid port"
"DHCPC: changing port port-id state from BOUND to REBINDING"
"DHCPC: changing port port-id state from BOUND to RENEWING"
"DHCPC: deleting existing ip address configuration on port port-id"
"DHCPC: changing port port-id state from REQUESTING to INIT-SELECTING"
"DHCPC: failed to renew ip address with dhcp server; continuing with lease period"
"DHCPC: changing port port-id state from REBINDING to INIT_SELECTING"
"DHCPC: changing port port-id state from REBINDING to REQUESTING"