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Cisco Catalyst 9200

Cisco Catalyst 9200
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PurposeCommand or Action
Device(config-if)# exit
(Optional) Change the estimated round-trip delay between
the device and the NTP broadcast server
[no] ntp broadcastdelay microseconds
Example:
Step 7
The default is 3000 microseconds. The range is from 1 to
999999.
Device(config)# ntp broadcastdelay 100
Use the no form of this command to disable the interface
from receiving NTP broadcast packets.
Returns to privileged EXEC mode.end
Example:
Step 8
Device(config)# end
Configuring NTP Access Restrictions
You can control NTP access on two levels as described in these sections:
Creating an Access Group and Assigning a Basic IP Access List
To create an access group and assign a basic IP access list, perform this procedure:
SUMMARY STEPS
1. enable
2. configure terminal
3. [no] ntp access-group {query-only | serve-only | serve | peer} access-list-number
4. access-list access-list-number permit source [source-wildcard]
5. end
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
Enter your password if prompted.
Device> enable
Enters global configuration mode.configure terminal
Example:
Step 2
Device# configure terminal
System Management Configuration Guide, Cisco IOS XE Gibraltar 16.10.x (Catalyst 9200 Switches)
22
Administering the Device
Configuring NTP Access Restrictions

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