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    J-Web Ping Host Results and Output Summary

    Table 1 summarizes the output in the ping host display.

    Table 1: Ping Host Results and Output

    Ping Host Result

    Description

    bytes bytes from ip-address

    • bytes —Size of ping response packet, which is equal to the value you entered in the Packet Size box, plus 8.
    • ip-address—IP address of destination host that sent the ping response packet.

    icmp_seq=0

    icmp_seq=number

    number—Sequence Number field of the ping response packet. You can use this value to match the ping response to the corresponding ping request.

    ttl=number

    number—Time-to-live hop-count value of the ping response packet.

    number packets transmitted

    number—Number of ping requests (probes) sent to host.

    percentage packet loss

    percentage—Number of ping responses divided by the number of ping requests, specified as a percentage.

    round-trip min/avg/max/stddev = min-time/avg-time/max-time/std-dev ms

    • min-time—Minimum round-trip time (see time=time field in this table).
    • avg-time—Average round-trip time.
    • max-time—Maximum round-trip time.
    • std-dev—Standard deviation of the round-trip times.

    If the device does not receive ping responses from the destination host (the output shows a packet loss of 100 percent), one of the following explanations might apply:

    • The host is not operational.
    • There are network connectivity problems between the device and the host.
    • The host might be configured to ignore ICMP echo requests.
    • The host might be configured with a firewall filter that blocks ICMP echo requests or ICMP echo responses.
    • The size of the ICMP echo request packet exceeds the MTU of a host along the path.
    • The value you selected in the Time-to-Live box was less than the number of hops in the path to the host, in which case the host might reply with an ICMP error message.

    Modified: 2017-09-13