Cisco Catalyst 9500 series Configuration Manual page 82

Configuring Broadcast Packet Handling
physical broadcasts. For more information on access lists, see the "Information about Network Security with
ACLs" section in the Security Configuration Guide.
Procedure
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
72
Command or Action
enable
Example:
Device> enable
configure terminal
Example:
Device# configure terminal
interface interface-id
Example:
Device(config)# interface
gigabitethernet 1/0/2
ip directed-broadcast
[access-list-number]
Example:
Device(config-if)# ip
directed-broadcast 103
exit
Example:
Device(config-if)# exit
ip forward-protocol {udp [port] | nd |
sdns}
Example:
Device(config)# ip forward-protocol
nd
Configuring IP Unicast Routing
Purpose
Enables privileged EXEC mode. Enter your
password if prompted.
Enters the global configuration mode.
Enters interface configuration mode, and specifies
the interface to configure.
Enables directed broadcast-to-physical broadcast
translation on the interface. You can include an
access list to control which broadcasts are
forwarded. When an access list, only IP packets
permitted by the access list can be translated.
Returns to global configuration mode.
Specifies which protocols and ports the router
forwards when forwarding broadcast packets.
• udp—Forward UPD datagrams.
port: (Optional) Destination port that controls
which UDP services are forwarded.
• nd—Forward ND datagrams.
• sdns—Forward SDNS datagrams