Specifications

7-20 IP Services Commands
ping
TestsIPconnectivitybetweenaRoamAboutswitchandanotherdevice.MSSsendsanInternet
ControlMessageProtocol(ICMP)echopackettothespecified deviceandlistensforareply
packet.
Syntax
ping host [count num-packets] [dnf] [flood] [interval time] [size size]
[source-ip ip-addr | vlan-name]
Parameters
Defaults
• count—5.
• dnf—Disabled.
• interval—100(onetenthofasecond)
• size—56.
Mode
Enabled.
Usage
Tostopapingcommandthatisinprogress,pressCtrl+C.
ARoamAboutswitchcannotpingitself.MSSdoesnotsupportthis.
host IP address,MACaddress,hostname,alias,orusertoping.
countnum‐packets Numberofpingpacketstosend.Youcanspecifyfrom0through
2,147,483,647.Ifyouenter0,
MSSpingscontinuouslyuntilyou
interruptthecommand.
dnf EnablestheDoNotFragmentbitinthepingpackettopreventthe
packetfrombeingfragmented.
flood Sendsnewpingpacketsasquicklyasrepliesarereceived,or100times
persecond,whicheverisgreater.
Note: Use the flood option sparingly. This option creates a lot of traffic and can
affect other traffic on the network.
intervaltime Timeintervalbetweenpingpackets,inmilliseconds.Youcanspecify
from100through10,000.
size size Packetsize,inbytes.Youcanspecifyfrom56through65,507.
Note: Because the switch adds header information, the ICMP packet size is
8 bytes larger than the size you specify.
source‐ip ip‐addr IPaddress,indotteddecimalnotation,touseasthesourceIPaddress
inthepingpackets.
source‐ip vlan‐name VLANnametouseasthepingsource.MSSusestheIPaddress
configuredontheVLANasthesourceIPaddressinthepingpackets.