3Com SuperStack 4 Configuration Manual page 350

362 C 12: F S
HAPTER ILE YSTEM
M
ANAGEMENT
Table 443 Configure NTP Authentication Key
Operation
Configure NTP authentication
key
Remove NTP authentication key undo ntp-service authentication-keyid
Key number
number
32 ASCII characters.
Setting Specified Key as Reliable
This configuration task is to set the specified key as reliable.
Perform the following configurations in System View.
Table 444 Set the Specified Key as Reliable
Operation
Set the specified key as reliable
Cancel the specified reliable key.
Key number key-number ranges from 1 to 4294967295.
Designating an Interface to Transmit NTP Message
If the local equipment is configured to transmit all the NTP messages, these
packets will have the same source IP address, which is taken from the IP address of
the designated interface.
Perform the following configurations in System View.
Table 445 Designate an Interface to Transmit NTP Message
Operation
Designate an interface to transmit
NTP message
Cancel the interface to transmit
NTP message
An interface is specified by
. The source address of the packets will be taken from the IP
interface-number
address of the interface. If the
command also designates a transmitting interface, use the one
unicast-peer
designated by them.
Enabling/Disabling an Interface to Receive NTP Message
This configuration task is to enable/disable an interface to receive NTP message.
Perform the following configurations in VLAN interface view.
Command
ntp-service authentication-keyid
authentication-mode md5
number
ranges from 1 to 4294967295; the key
Command
ntp-service reliable authentication-keyid
key-number
undo ntp-service reliable
authentication-keyid
Command
ntp-service source-interface {
interface-name
interface-number
undo ntp-service source-interface
interface-name
ntp-service unicast-server
value
value
key-number
interface-type
|
}
or
interface-type
or
ntp-service
number
contains 1 to