Cisco Nexus 3548 User Manual

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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
message-digest-key (OSPF virtual link)
message-digest-key (OSPF virtual link)
To enable Open Shortest Path First (OSPF) Message Digest 5 (MD5) authentication on a virtual link, use
the message-digest-key command. To remove an old MD5 key, use the no form of this command.
message-digest-key key-id md5 [0 | 3] key
no message-digest-key key-id
Syntax Description
Command Default Unencrypted
Command Modes Virtual link configuration mode
Command History
Usage Guidelines When you configure the MD5 digest authentication mode, make sure that both interfaces on the virtual
link have the same key value.
This command requires the LAN Base Services license.
Examples This example shows how to set key 19 with the password 8ry4222:
switch# configure terminal
switch(config-router)# area 22 virtual-link 192.0.2.2
switch(config-router-vlink)# message-digest-key 19 md5 8ry4222
switch(config-router-vlink)#
Related Commands
key-id Identifier in the range from 1 to 255.
md5 Specifies Message Digest 5 (MD5) authentication.
0 (Optional) Specifies to use an unencrypted password to generate the
md5 key.
3 (Optional) Specifies to use an encrypted 3DES password to generate
the md5 key.
key Alphanumeric password of up to 16 bytes.
Release Modification
5.0(3)A1(1) This command was introduced.
Command Description
authentication (virtual-link) Configures the authentication mode on a virtual link.

Cisco Nexus 3548 Specifications

General

Rack Units	1RU
Product Type	Switch
Form Factor	Rack-mountable
Jumbo Frame Support	9216 bytes
Input Voltage	100-240 VAC
Product Series	Nexus 3000
Model	Nexus 3548
Operating System	Cisco NX-OS
Ports	48 x 10GE SFP+
Latency	190 ns
Airflow	Front-to-back

Summary

New and Changed Information

Preface

Describes audience, organization, and conventions of the document.

Document Conventions

Explains conventions used in command descriptions and screen examples.

Related Documentation

Lists other Cisco documentation for related products.

Unicast Routing Commands

additional-paths receive

Enables BGP additional paths for a prefix to be received from a capable peer.

address-family (BGP neighbor)

Enters neighbor address family mode for configuring BGP routing protocols.

area authentication (OSPF)

Enables authentication for an Open Shortest Path First (OSPF) area.

aggregate-address (BGP)

Creates a summary address in a Border Gateway Protocol (BGP) routing table.

authentication (HSRP)

Configures authentication for the Hot Standby Router Protocol (HSRP).

distance (EIGRP)

Sets administrative distances for EIGRP internal and external routes.

redistribute (BGP)

Injects routes from one routing domain into the Border Gateway Protocol (BGP).

router bgp

Assigns an autonomous system (AS) number and enters BGP configuration mode.

neighbor

Configures a Border Gateway Protocol (BGP) neighbor and enters configuration mode.

Unicast Routing Show Commands

show bgp

Displays Border Gateway Protocol (BGP) routes.

show ip eigrp neighbors

Displays information about neighbors discovered by EIGRP.

show ip ospf neighbors

Displays Open Shortest Path First (OSPF)-neighbor information on a per-interface basis.

show ip route

Displays routes from the unicast Routing Information Base (RIB).

show running-config

Displays the running configuration.

show vrrp

Shows information about the Virtual Router Redundancy Protocol (VRRP).