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IP interface configuration task list 128
SmartWare Software Configuration Guide 10 • IP interface configuration
Mode: Either operator or administrator execution
Where the parameters are defined as follows:
• [<number>] optional parameter which indicates how many pings are sent
• [timeout <seconds>] optional parameter which indicates the time-out period of the ping
• [packet-size <packet-size>] optional parameter which indicates the number of octets in the ping
• [ttl <ttl>] optional parameter which indicates the time-to-live value
• [traffic-class <traffic-class>] which indicates the IP packets in a traffic class are routed via the defined
Nexthop in the routing table entry for that traffic-class. Default: local-default.
When using
ping for fault isolation, you should first run it on the respective IP interface to verify that the local
LAN or WAN interface is up and running. Then, you should “ping” hosts and gateways further away. Round-
trip times and packet loss statistics are computed. If duplicate packets are received, they are not included in the
packet loss calculation, although the round trip time of these packets is used to calculate the minimum/aver-
age/maximum round-trip time numbers. When five ICMP echo requests packets have been sent and received,
a brief summary is displayed.
Example: Testing connections with the
ping command
The following example shows how to invoke the echo protocol to the destination host at IP address
172.16.1.10 by using the
ping command from operator execution mode.
node>ping 172.16.1.10
Sending 5 ICMP echo requests to 172.16.1.10, timeout is 1 seconds:
Reply from 172.16.1.10: Time <10ms
Reply from 172.16.1.10: Time <10ms
Reply from 172.16.1.10: Time <10ms.
Reply from 172.16.1.10: Time <10ms
Reply from 172.16.1.10: Time <10ms
Ping statistics for 172.16.1.10:
Packets: Sent 5, Received 5, Lost 0 (0% loss),
RTT: Minimum <10ms, Maximum <10ms, Average <10ms
IP link supervision
IP Link Supervision is one of the modules you have to configure in order to use the PPP dial-up over ISDN
feature. Also consider the dial-up command (page 337) on the IP interface and the interface dialer mode
(page 331) in context cs.
IP link supervision can be used to periodically check the reachability of some hosts over a specific link. There-
fore an ICMP echo request is sent to the configured IP address. After a configurable number of failed requests
the host is considered unreachable. If all configured hosts are unreachable, the interface will be closed for nor-
Step Command Purpose
1 node#ping <address> [<num-
ber> ] [timeout <seconds> ]
[packet-size <packet-size> ] [ttl
<ttl> ] [traffic-class <traffic-
class> ]
Sends ICMP ECHO_REQUEST packets to network hosts at IP
address <address>