216
ping
Use
ping
to check the connectivity to an IPv4 address.
Syntax
ping
[
-c count
|
-s size
] *
ip-address
Views
Any view
Parameters
-c
count
: Specifies the number of ICMP echo requests to send, in the range of 1 to 2147483647. The
default is 5.
-s size
: Specifies the length (in bytes) of each ICMP echo request, in the range of 20 to 8100. The
default is 56.
ip-address
: Specifies the IPv4 address of the destination in dotted decimal notation.
Usage guidelines
When you execute the
ping
command, the device sends ICMP echo requests to the destination. You
can press
Ctrl+C
to abort the ping operation.
Examples
# Check the connectivity to the destination 1.2.1.1.
<boot> ping 1.2.1.1
PING 1.2.1.1 (1.2.1.1): 56 data bytes
56 bytes from 1.2.1.1: seq=0 ttl=128 time=2.243 ms
56 bytes from 1.2.1.1: seq=1 ttl=128 time=0.717 ms
56 bytes from 1.2.1.1: seq=2 ttl=128 time=0.891 ms
56 bytes from 1.2.1.1: seq=3 ttl=128 time=0.745 ms
56 bytes from 1.2.1.1: seq=4 ttl=128 time=0.911 ms
--- 1.2.1.1 ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max = 0.717/1.101/2.243 ms
Table 34 Command output
Field description
PING 1.2.1.1 (1.2.1.1)
Checking the connectivity to the device at 1.2.1.1.
56 data bytes
Number of data bytes in each ICMP echo request.
56 bytes from 1.2.1.1: seq=0 ttl=128
time=2.243 ms
Received an ICMP reply from the device at 1.2.1.1.
Fields of the reply:
•
bytes
—Number of data bytes in the ICMP reply.
•
seq
—Sequence number of the reply. You can examine the
sequence numbers of replies to determine whether packets
are missing, disordered, or duplicated.
•
ttl
—TTL value in the ICMP reply.
•
time
—Response time.
--- 1.2.1.1 ping statistics ---
Statistics for packets sent and received during the ping operation.
5 packets transmitted
Number of ICMP echo requests sent.
5 packets received
Number of ICMP echo replies received.