Command Reference Guide

92 | Control and Monitoring
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Usage
Information
When you enter the ping command without specifying an IP/IPv6 address (Extended Ping),
you are prompted for a target IP/IPv6 address, a repeat count, a datagram size (up to 1500
bytes), a timeout in seconds, and for Extended Commands. Chapter 20, ICMP Message Types
for information on the ICMP message codes that return from a ping command.
Example (IPv4)
FTOS#ping 172.31.1.255
Type Ctrl-C to abort.
Sending 5, 100-byte ICMP Echos to 172.31.1.255, timeout is 2 seconds:
Reply to request 1 from 172.31.1.208 0 ms
Reply to request 1 from 172.31.1.216 0 ms
Reply to request 1 from 172.31.1.205 16 ms
:
:
Reply to request 5 from 172.31.1.209 0 ms
Reply to request 5 from 172.31.1.66 0 ms
Reply to request 5 from 172.31.1.87 0 ms
FTOS#
Example (IPv6)
FTOS#ping 100::1
Type Ctrl-C to abort.
Sending 5, 100-byte ICMP Echos to 100::1, timeout is 2 seconds:
!!!!!
Success rate is 100.0 percent (5/5), round-trip min/avg/max = 0/0/0 (ms)
FTOS#
The following table provides descriptions for the status response symbols displayed in output.
Version 8.4.1.0 IPv6 pinging available on management interface.
Version 8.3.1.0 Introduced extended ping options.
Version 8.2.1.0 Introduced on E-Series ExaScale (IPv6)
Version 8.1.1.0 Introduced on E-Series ExaScale (IPv4)
Version 7.9.1.0 Introduced VRF
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced support for C-Series
Version 7.4.1.0 Added support for IPv6 address on E-Series
Table 1 ping command Status Response Symbols and Descriptions
Symbol Description
!
Each exclamation point indicates receipt of a reply
.
Each period indicates the network server timed out while waiting for a reply
U
A destination unreachable error PDU was received
Q
Source quench (destination too busy)
M
Could not fragment
?
Unknown packet type
&
Packet lifetime exceeded