C
HAPTER
45
| IP Interface Commands
IPv4 Interface
– 1402 –
COMMAND USAGE
◆ Use the ping command to see if another site on the network can be
reached.
◆ The following are some results of the ping command:
■
Normal response - The normal response occurs in one to ten
seconds, depending on network traffic.
■
Destination does not respond - If the host does not respond, a
“timeout” appears in ten seconds.
■
Destination unreachable - The gateway for this destination indicates
that the destination is unreachable.
■
Network or host unreachable - The gateway found no corresponding
entry in the route table.
◆ When pinging a host name, be sure the DNS server has been defined
(see page 1377) and host name-to-address translation enabled (see
page 1374). If necessary, local devices can also be specified in the DNS
static host table (see page 1376).
EXAMPLE
Console#ping 10.1.0.9
Type ESC to abort.
PING to 10.1.0.9, by 5 32-byte payload ICMP packets, timeout is 5 seconds
response time: 10 ms
response time: 10 ms
response time: 10 ms
response time: 10 ms
response time: 0 ms
Ping statistics for 10.1.0.9:
5 packets transmitted, 5 packets received (100%), 0 packets lost (0%)
Approximate round trip times:
Minimum = 0 ms, Maximum = 10 ms, Average = 8 ms
Console#
RELATED COMMANDS
interface (976)
ARP CONFIGURATION This section describes commands used to configure the Address Resolution
Protocol (ARP) on the switch.
Table 196: Address Resolution Protocol Commands
Command Function Mode
arp timeout Sets the time a dynamic entry remains in the ARP
cache
GC
clear arp-cache Deletes all dynamic entries from the ARP cache PE
show arp Displays entries in the ARP cache NE, PE
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