SENA PS210W - Manual (Page 81)

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Specifies the number of echo requests received or sent. An echo request causes the receiving
computer to send an echo reply message back to the originating computer.
NEchoReps, OutEchoReps :
Specifies the number of echo replies received or sent. A computer sends an echo reply in
response to receiving an echo request message.
InTimestamps, OutTimestamps :
Specifies the number of time-stamp requests received or sent. A time-stamp request causes the
receiving computer to send a time-stamp reply back to the originating computer.
InTimestampReps, OutTimestampReps :
Specifies the number of time-stamp replies received or sent. A computer sends a time-stamp
reply in response to receiving a time-stamp request. Routers can use time-stamp requests and
replies to measure the transmission speed of datagrams on a network.
InAddrMasks, OutAddrMasks :
Specifies the number of address mask requests received or sent. A computer sends an address
mask request to determine the number of bits in the subnet mask for its local subnet.
InAddrMaskReps, OutAddrMaskReps :
Specifies the number of address mask responses received or sent. A computer sends an address
mask response in response to an address mask request.
Figure 6-4 ICMP statistics