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ping
Issue 5 October 2002
371
555-233-119
ping node-name
Use ping node-name to ping an administered node. Use display node-names to
look up the node-name.
ping board
Use ping board UUCSS to ping from a specific C-LAN circuit pack. If only one
C-LAN or IP Medpro board circuit pack is present, the board qualifier is optional.
If the “board” option is not given, the ping will default to the first C-LAN in the
same region as the IP address that is being pinged.
ping packet-length
The packet-length qualifier specifies the packet length of the ping packet. Packet
lengths of from 64 to 1500 bytes can be specified. Specifying a packet length in
the command line can show:
■
if a router or host has a problem fragmenting or reassembling transferred
packets
■
a more complete indication of the link status
If the packet length is not specified, the default is 64 bytes. You can add the
packet-length qualifier and the packet size (64-1500 bytes) to the other ping
commands. Some examples include:
■
ping node-name packet-length 800
■
ping ip-address 24.103.5.7 packet-length 100
■
ping board UUCSS packet-length 1000
NOTE:
The default DiffServ and 802.1p/Q parameters downloaded to a IP Media
Processor board will be used in the execution of ping and traceroute
commands which are sourced from that IP Media Processor. By convention,
the recipient of a ping will reply with the same QoS value found in the
received packet, hence the measurements reported should reflect the
behavior of the type of packets sent. IP Media Processor-sourced pings
should reflect audio transport performance and C-LAN-sourced pings
should reflect control information transport performance.
Output
The following example shows the output from ping ip-address packet-length.