Ping; Tracert - Huawei S9300 Configuration Manual

S9300&S9300E Terabit Routing Switch
Configuration Guide - Network Management

5.1 Ping

The ping command is used to check network connectivity and host reachability. The word "ping"
is derived from the sonar operation, indicating a pulse of sound.
Figure 5-1
Message Protocol (ICMP) Echo Request message is sent to the destination. The destination then
returns an ICMP Echo Reply message immediately when receiving the ICMP Echo Request
message.
Figure 5-1 Principle of the ping operation
Source
Ping tests IP reachability and status of the link between the source and the destination by checking
whether the destination sends back an ICMP Echo Reply message and measuring the interval
between sending the ICMP Echo Request message and receiving the ICMP Echo Reply message.
Figure 5-2 Format of ICMP Echo Request and Echo Reply messages
0
Figure 5-2
the Data field is a variable. You can specify the length of the Data field in the ping command.

5.2 Tracert

Tracert, also called Trace Route, is used to check the IP addresses and the number of gateways
between the source and the destination. Tracert is helpful in testing network reachability and
locating the fault on the network.
Issue 01 (2012-03-15)
shows the ping process.After you run the ping command, an Internet Control
ICMP Echo Request message
ICMP Echo Reply message
7
Type Code
Identifier
shows the format of ICMP Echo Request and Echo Reply messages. The length of
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Destination
15 23
Checksum
Sequence number
Data
5 Ping and Tracert
31
250