4Single-Tier Example

This example shows the configuration of the two MLAG peers with two MLAG partners. The default spanning tree configuration is used and spanning tree is disabled on the peer link.

Primary MLAG peer (47)

N3048 (48)

MLAG

Partner Switch A (27)

(28)

(1/0/1) Peer-Link

(11)

Secondary MLAG peer

 

 

 

 

 

 

 

 

 

(12)

N3048

(1/0/1)

 

 

 

 

 

 

 

 

 

MLAG

Partner Switch B

 

 

(29)

 

 

(30)

 

 

 

Figure 4 Single tier MLAG topology

To configure the two MLAG peers in the basic configuration, follow the steps below:

1.Enter the following commands on both peer switches before enabling MLAG (using the feature vpc command) on each one. Each column below contains commands that can be cut and pasted into a CLI session.

 

 

Primary MLAG Peer (N3048)

Secondary MLAG Peer N3048)

Description of commands

 

 

 

configure

configure

 

 

 

 

vlan 30

vlan 30

Create a VLAN for MLAG and all

 

 

 

exit

exit

partner traffic

 

 

 

interface port-channel 1

interface port-channel 1

Configure the port channel for

 

 

 

description "MLAG-Peer-Link"

description "MLAG-Peer-Link"

the peer link

 

 

 

spanning-tree disable

spanning-tree disable

- must be trunk mode

 

 

 

switchport mode trunk

switchport mode trunk

 

 

 

 

vpc peer-link

vpc peer-link

 

 

 

 

exit

exit

 

 

 

 

interface tengigabitethernet 1/0/1

interface tengigabitethernet 1/0/1

Identify and configure the peer

 

 

 

channel-group 1 mode active

channel-group 1 mode active

link interface

 

 

 

description "MLAG-Peer-Link"

description "MLAG-Peer-Link"

 

 

 

 

exit

exit

 

 

 

 

interface port-channel 30

interface port-channel 30

Create a LAG for partner switch

 

 

 

switchport mode trunk

switchport mode trunk

A to pass traffic

 

 

 

 

 

 

 

9

Using MLAG in Dell Networks

 

 

 

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Image 9
Dell N2048, N3024 manual Single-Tier Example, Partner Switch B