beautypg.com

H3C Technologies H3C MSR 5600 User Manual

Page 89

background image

76

Step Command

Remarks

3.

Configure an NTP

authentication key.

ntp-service authentication-keyid
keyid authentication-mode md5
{ cipher | simple } value

By default, no NTP authentication
key is configured.

4.

Configure the key as a trusted
key.

ntp-service reliable

authentication-keyid keyid

By default, no authentication key is
configured as a trusted key.

5.

Enter interface view.

interface interface-type

interface-number

N/A

6.

Associate the specified key

with the multicast server.

Associate the specified key with
a multicast server:

ntp-service multicast-server

[ ip-address ]
authentication-keyid keyid

Associate the specified key with

an IPv6 multicast server:
ntp-service ipv6

multicast-server

ipv6-multicast-address
authentication-keyid keyid

By default, no multicast server is
associated with the specified key.

NTP authentication results differ when different configurations are performed on broadcast client and

server. For more information, see

Table 6

. (N/A in the table means that whether the configuration is

performed does not make any difference.)

Table 6 NTP authentication results

Multicast server

Multicast client

Authentication

result

Enable

NTP

authentic

ation

Configure a

key and

configure it as

a trusted key

Associate the

key with a

multicast server

Enable NTP

authenticatio

n

Configure a

key and

configure it as

a trusted key

Yes Yes

Yes

Yes

Yes

Succeeded. NTP
messages can be

sent and received
correctly.

Yes Yes

Yes

Yes

No

Failed. NTP
messages cannot
be sent and

received correctly.

Yes Yes

Yes

No

N/A

Failed. NTP
messages cannot

be sent and
received correctly.

Yes No

Yes

Yes

N/A

Failed. NTP
messages cannot

be sent and

received correctly.

This manual is related to the following products: