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464 CHAPTER 22: FILE SYSTEM MANAGEMENT
Testing Tools for
Network Connection
This section contains the tools necessary to test network connections.
ping The
ping command can be used to check the network connection and if the host is
reachable.
Perform the following operation in all views.
Table 517 The ping Command
The output of the command includes:
■ The response to each ping message. If no response packet is received when time is
out, ”Request time out” information appears. Otherwise, the data bytes, the
packet sequence number, TTL, and the round-trip time of the response packet will
be displayed.
■ The final statistics, including the number of the packets the Switch sent out and
received, the packet loss ratio, the round-trip time in its minimum value, mean
value and maximum value.
Test Periodically if the IP Address is Reachable
You can use the
end-station polling ip-address command in System View to
configure the IP address requiring periodical testing.
Perform the following configuration in System View.
Table 518 Test Periodically if the IP address is Reachable
The Switch can ping an IP address every one minute to test if it is reachable. Three
PING packets can be sent at most for every IP address in every testing with a time
interval of five seconds. If the Switch cannot successfully ping the IP address after the
three PING packets, it assumes that the IP address is unreachable.
You can configure up to 50 IP addresses by using the command repeatedly.
tracert The
tracert is used for testing the gateways passed by the packets from the source
host to the destination one. It is mainly used for checking if the network is connected
and analyzing where the fault occurs in the network.
Operation Command
Support IP ping ping [ -a ip-address ] [-c count ] [ -d ] [ -h ttl ] [ -i {
interface-type interface-num | interface-name } ] [ ip ]
[ -n ] [ - p pattern ] [ -q ] [ -r ] [ -s packetsize ] [ -t
timeout ] [ -tos tos ] [ -v ] host
Operation Command
Configure the IP address
requiring periodical testing
end-station polling ip-address ip-address
Delete the IP address requiring
periodical testing
undo end-station polling ip-address
ip-address