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Implementing NTP on Cisco IOS XR Software
How to Implement NTP on Cisco IOS XR Software
SMC-176
Cisco IOS XR System Management Configuration Guide
If the source IP address matches the access lists for more than one access type, the first type is granted.
If no access groups are specified, all access types are granted to all systems. If any access groups are
specified, only the specified access types are granted.
For details on NTP control queries, see RFC 1305 (NTP version 3).
SUMMARY STEPS
1. configure
2. ntp
3. access-group {peer | query-only | serve | serve-only} access-list-name
4. end
or
commit
DETAILED STEPS
Command or Action Purpose
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
ntp
Example:
RP/0/RP0/CPU0:router(config)# ntp
Enters NTP configuration mode.