F3215-HP Load Balancing Module System Maintenance Configuration Guide-6PW101

Using ping, tracert, and system debugging

Use the ping, tracert, and system debugging utilities to test network connectivity and identify network

problems.

Ping, tracert, and system debugging utilities can be used only at the CLI.

Ping

The ping utility sends ICMP echo requests (ECHO-REQUEST) to the destination device. Upon receiving

the requests, the destination device responds with ICMP echo replies (ECHO-REPLY) to the source device.

The source device outputs statistics about the ping operation, including the number of packets sent,

number of echo replies received, and the round-trip time. You can measure the network performance by

analyzing these statistics.

Using a ping command to test network connectivity

Execute ping commands in any view.

Task Command Remarks

Test the network

connectivity to an IP

address.

• For an IPv4 network:

ping [ ip ] [ -a source-ip | -c count | -f |

-h ttl | -i interface-type interface-number

| -m interval | -n | -p pad | -q | -r | -s

packet-size | -t timeout | -tos tos | -v |

-vpn-instance vpn-instance-name ] * host

• For an IPv6 network:

ping ipv6 [ -a source-ipv6 | -c count | -m

interval | -s packet-size | -t timeout |

-vpn-instance vpn-instance-name ] * host

[ -i interface-type interface-number ]

Set a larger value for the timeout timer

(indicated by the -t parameter in the

command) when you configure the

ping command for a low-speed

network.

Disabling the echo reply function on

the destination affects the ping

function.

Ping example

Network requirements

Test the network connectivity between LB and Device B in Figure 1. If they can reach each other, get

detailed information about routes from LB to Device B.