Cisco Catalyst 9500 Series

PurposeCommand or Action
Enters interface configuration mode, and
specifies the Layer 3 interface to configure.
interface interface-id
Example:
Device(config)# interface
gigabitethernet 1/0/1
Step 3
Enables forwarding and specifies the
destination address for forwarding UDP
broadcast packets, including BOOTP.
ip helper-address address
Example:
Device(config-if)# ip helper address
10.1.10.1
Step 4
Returns to global configuration mode.exit
Example:
Device(config-if)# exit
Step 5
Specifies which protocols the router forwards
when forwarding broadcast packets.
ip forward-protocol {udp [port] | nd | sdns}
Example:
Device(config)# ip forward-protocol
sdns
Step 6
Returns to privileged EXEC mode.end
Example:
Device(config)# end
Step 7
Verifies the configuration on the interface or
all interfaces.
show ip interface [interface-id]
Example:
Device# show ip interface
gigabitethernet 1/0/1
Step 8
Verifies your entries.show running-config
Example:
Device# show running-config
Step 9
(Optional) Saves your entries in the
configuration file.
copy running-config startup-config
Example:
Device# copy running-config
Step 10
startup-config
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
74
Configuring IP Unicast Routing
Configuring Broadcast Packet Handling