HPE FlexNetwork 5510 HI Series

23
Step
Command
Remarks
authentication-mode { hmac-sha-1 |
hmac-sha-256 | hmac-sha-384 |
hmac-sha-512 | md5 } { cipher |
simple } string [ acl ipv4-acl-number |
ipv6
acl
ipv6-acl-number ] *
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 5. (N/A in the table means that whether the configuration is
performed does not make any difference.)
Table 5 NTP authentication results
Multicast server
Multicast client
Authentication
result
Enable NTP
authenticatio
n
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
Yes Yes Yes Yes No Failed
Yes Yes Yes No N/A Failed
Yes No Yes Yes N/A Failed
Yes No Yes No N/A No authentication
Yes N/A No Yes N/A Failed
Yes N/A No No N/A No authentication
No N/A N/A Yes N/A Failed
No N/A N/A No N/A No authentication
Configuring NTP optional parameters
The configuration tasks in this section are optional tasks. Configure them to improve NTP security,
performance, or reliability.