Cisco Catalyst 9500 Series User Manual

Configuring EIGRP Route Authentication
EIGRP route authentication provides MD5 authentication of routing updates from the EIGRP routing protocol
to prevent the introduction of unauthorized or false routing messages from unapproved sources.
Procedure
PurposeCommand or Action
Enters the global configuration mode.configure terminal
Example:
Device# configure terminal
Step 1
Enters interface configuration mode, and specifies
the Layer 3 interface to configure.
interface interface-id
Example:
Device(config)# interface
gigabitethernet 1/0/1
Step 2
Enables MD5 authentication in IP EIGRP packets.ip authentication mode eigrp
autonomous-system md5
Step 3
Example:
Device(config-if)# ip authentication
mode eigrp 104 md5
Enables authentication of IP EIGRP packets.
ip authentication key-chain eigrp
autonomous-system key-chain
Step 4
Example:
Device(config-if)# ip authentication
key-chain eigrp 105 chain1
Returns to global configuration mode.exit
Example:
Device(config-if)# exit
Step 5
Identify a key chain and enter key-chain
configuration mode. Match the name configured
in Step 4.
key chain name-of-chain
Example:
Device(config)# key chain chain1
Step 6
In key-chain configuration mode, identify the key
number.
key number
Example:
Device(config-keychain)# key 1
Step 7
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
113
Configuring IP Unicast Routing
Configuring EIGRP Route Authentication

Cisco Catalyst 9500 Series Specifications

General

Series	Catalyst 9500 Series
Category	Switch
Software	Cisco IOS XE
Operating Temperature	0°C to 45°C (32°F to 113°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Fixed Uplink Modules	Varies by model
Stacking	Yes (StackWise Virtual)
Redundancy	Redundant power supplies and fans
Security	Advanced security features
PoE+	Available (varies by model)
Power Supply Options	AC and DC options (varies by model)
Relative Humidity	5% to 90% noncondensing
Dimensions (H x W x D)	Varies by model
Weight	Varies by model
Ports	Up to 48 ports (varies by model)