This command enables tracing of ICMP echo requests and responses. The command traces pings on the network port/ service port for switching packages. For routing packages, pings are traced on the routing ports as well. If specified, pings can be traced on the virtual router.
| Default | Disabled |
| Format | debug ping packet [vrf vrf-name] |
| Mode | Privileged EXEC |
Example: A sample output of the trace message is shown below.
<15> JAN 01 00:21:22 192.168.17.29-1 SIM[181040176]: sim_debug.c(128) 20 % Pkt TX - Intf: 1/0/1(1), SRC_IP:10.50.50.2, DEST_IP:10.50.50.1, Type:ECHO_REQUEST <15> JAN 01 00:21:22 192.168.17.29-1 SIM[182813968]: sim_debug.c(82) 21 % Pkt RX - Intf: 1/0/1(1), SRC_IP:10.50.50.1, DEST_IP:10.50.50.2, Type:ECHO_REPLY
The following parameters are displayed in the trace message:
| Parameter | Definition |
|---|---|
| TX/RX | TX refers to a packet transmitted by the device. RX refers to packets received by the device. |
| Intf | The interface that the packet came in or went out on. Format used is unit/slot/port (internal interface number). Unit is always shown as 1 for interfaces on a non-stacking device. |
| SRC_IP | The source IP address in the IP header in the packet. |
| DEST_IP | The destination IP address in the IP header in the packet. |
| Type | Type determines whether or not the ICMP message is a REQUEST or a RESPONSE. |
