access-list for SNTP UDP

Define	SNTP / UDP

Define	SNTP / UDP
	`me@cl-gg-00029:jean-luc.kriker$ nslookup.exe ntp.plus.net Non-authoritative answer: Name: ntp.r53-gslb.vision.bt.com Address: 213.123.22.85 <<<<<<<<<<<<<<< IP address of the server Aliases: ntp.plus.net ntp.vision.bt.com`

Create
	R1#show running-config ip access-list ip access-list extended SNTP_ACL deny udp 213.123.22.85 0.0.0.0 any

Apply
	R1#show running-config interface gigabitethernet 0/1 interface gigabitethernet 0/1 description to226_network ip access-group SNTP_ACL in ip address dhcp exit
show commands
	R1#show ip access-lists ip access-list extended SNTP_ACL 1 deny udp 213.123.22.85 0.0.0.0 any (6 matches)
	`R1#show sntp server source stratum version last receive learn-from interface vrf failed-auth-pkts ntp.plus.net - 2 4 00:08:48 - - - Default 0`

Ekinops