RACOM RipEX 1.12.2, User Manual

Page: 144 / 189

■ Ping Type
List box: ICMP, RSS
Default = RSS
○
ICMP
This is a standard ICMP (Internet Control Message Protocol) ping. It can be used against either
RipEX or any device connected to RipEX Radio network.
○ RSS
RSS Ping Type uses a special UDP packets and provides extension report which includes:
•
RSS and DQ information for each radio hop for each individual ping
• RSS and DQ statistic (average, min., max.) for radio hop with the lowest RSS in both directions
• Histogram of rtt of pings divided to 5 intervals
• Load and Throughput
• PER (Packet Error Rate)
• BER (Bit Error Rate)
■ Destination
Default = 127.0.0.1
Destination IP address
■ Length [bytes]
Default = 80
The length of user data, the range from 8 to 4096 Byte. Some overhead to this Length is always
added like these:
ICMP - 28 bytes
RSS - 43 bytes for IP+UDP+RACOM 8 bytes (Trace-RSS and DQ) per each radio hop +
4 bytes (marking in server)
RSS ping can not be longer than 3/4 MTU.
■ Count
Default = 5
Number of pings to be transmitted. The allowed range is from 1 to 1024.
■ Period [ms]
Default = 1000
When this Period expires, the next Ping is transmitted. The range is from 1000 (1 sec.) to 3600000
(1 hour).
■ Timeout [ms]
Default = 10000
Timeout from 1000 (1 sec.) to 3600000 (1 hour).
When ping (the response) is not received within this timeout, it is counted as lost.
■ Report
A short report is generated in run-time for each individual ping packet. When the Ping utility is
stopped, an overall statistic report is displayed.
○
ICMP
Standard Linux ping reports are provided:
•
Run-time report:
"88 bytes from 192.168.131.243: icmp_req=1 ttl=63 time=360 ms"
88 bytes = total packet lenght
192.168.131.243 = destination IP
icmp_req = ping sequence number
ttl = time to live, max. number of hops (passing through router) of the packet in the network
RipEX Radio modem & Router – © RACOM s.r.o. 144
Advanced Configuration