C
HAPTER
10
| IP Commands
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COMMAND USAGE
◆ An IPv6 address must be formatted according to RFC 2373 “IPv6
Addressing Architecture,” using 8 colon-separated 16-bit hexadecimal
values. One double colon may be used to indicate the appropriate
number of zeros required to fill the undefined fields.
◆ When you enter the ping command, five ICMP packets are transmitted,
and the sequence number and round-trip time are displayed upon
reception of a reply.
◆ 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.
EXAMPLE
IP/IPv6>ping6 ::192.168.2.19
PING6 server ::192.168.2.19
recvfrom: Operation timed out
recvfrom: Operation timed out
recvfrom: Operation timed out
recvfrom: Operation timed out
recvfrom: Operation timed out
Sent 5 packets, received 0 OK, 0 bad
IP/IPv6>
ip ipv6 sntp This command displays or sets the IP address for a time server.
SYNTAX
ip ipv6 sntp [ipv6-addr]
ipv6-addr - The IP address for a time server (NTP or SNTP). An IPv6
address must be formatted according to RFC 2373 “IPv6 Addressing
Architecture,” using 8 colon-separated 16-bit hexadecimal values.
One double colon may be used in the address to indicate the
appropriate number of zeros required to fill the undefined fields.
DEFAULT SETTING
None
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