show debug dhcp packet buffer

Displays Dynamic Host Configuration Protocol (DHCP) packets saved in the DHCP packet capture buffer for all VRF IDs.

Syntax

Modes

Privileged EXEC mode

Examples

The following command displays buffer content for all VRF IDs.

device# show debug dhcp packet buffer
Protocol Type       : DHCP
Packet Flow         : RX
Src Port            : 68 (DHCP Client)
Dst Port            : 67 (DHCP Server)
Message Type        : 1 (DHCP-Discover)
Hardware Type       : 1 (Ethernet (10Mb))
Hw Address Len      : 6
Hops                : 0
Transaction ID      : 0
Seconds Elapsed     : 0
BootP Flags         : 8000
Client IP           : 0.0.0.0
Your (client) IP    : 0.0.0.0
Next Server IP      : 0.0.0.0
Relay Agent IP      : 0.0.0.0
Client MAC Add      : 00:10:94:00:00:01
Server Host Name    : Not Given
Boot File Name      : Not Given
*********************************************
Protocol Type       : DHCP
Packet Flow         : TX
Src Port            : 67 (DHCP Server)
Dst Port            : 68 (DHCP Client)
Message Type        : 2 (DHCP-Offer)
Hardware Type       : 1 (Ethernet (10Mb))
Hw Address Len      : 6
Hops                : 1
Transaction ID      : 0
Seconds Elapsed     : 0
BootP Flags         : 8000
Client IP           : 0.0.0.0
Your (client) IP    : 10.10.10.30
Next Server IP      : 20.20.20.20
Relay Agent IP      : 10.10.10.10
Client MAC Add      : 00:10:94:00:00:01
Server Host Name    : Not Given
Boot File Name      : Not Given
*********************************************
Protocol Type       : DHCP
Packet Flow         : RX
Src Port            : 68 (DHCP Client)
Dst Port            : 67 (DHCP Server)
Message Type        : 3 (DHCP-Request)
Hardware Type       : 1 (Ethernet (10Mb))
Hw Address Len      : 6
Hops                : 0
Transaction ID      : 0
Seconds Elapsed     : 0
BootP Flags         : 8000
Client IP           : 0.0.0.0
Your (client) IP    : 0.0.0.0
Next Server IP      : 0.0.0.0
Relay Agent IP      : 0.0.0.0
Client MAC Add      : 00:10:94:00:00:01
Server Host Name    : Not Given
Boot File Name      : Not Given
*********************************************
Protocol Type       : DHCP
Packet Flow         : TX
Src Port            : 67 (DHCP Server)
Dst Port            : 68 (DHCP Client)
Message Type        : 5 (DHCP-Ack)
Hardware Type       : 1 (Ethernet (10Mb))
Hw Address Len      : 6
Hops                : 1
Transaction ID      : 0
Seconds Elapsed     : 0
BootP Flags         : 8000
Client IP           : 0.0.0.0
Your (client) IP    : 10.10.10.30
Next Server IP      : 20.20.20.20
Relay Agent IP      : 10.10.10.10
Client MAC Add      : 00:10:94:00:00:01
Server Host Name    : Not Given
Boot File Name      : Not Given
*********************************************