Dell S4820T, Configuration Manual

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VLT Sample Configuration
To review a sample VLT configuration setup, study these steps.
1. Configure the VLT domain with the same ID in VLT peer 1 and VLT peer 2.
VLT DOMAIN mode
vlt domain domain id
2. Configure the VLTi between VLT peer 1 and VLT peer 2.
3. You can configure LACP/static LAG between the peer units (not shown).
CONFIGURATION mode
interface port-channel port-channel id
NOTE: To benefit from the protocol negotiations, Dell Networking recommends configuring
VLTs used as facing hosts/switches with LACP. Ensure both peers use the same port channel ID.
4. Configure the peer-link port-channel in the VLT domains of each peer unit.
INTERFACE PORTCHANNEL mode
channel-member
5. Configure the backup link between the VLT peer units (shown in the following example).
6. Configure the peer 2 management ip/ interface ip for which connectivity is present in VLT peer 1.
EXEC Privilege mode
show running-config vlt
7. Configure the peer 1 management ip/ interface ip for which connectivity is present in VLT peer 1.
EXEC mode or EXEC Privilege mode
show interfaces interface
8. Configure the VLT links between VLT peer 1 and VLT peer 2 to the top of rack unit (shown in the
following example).
9. Configure the static LAG/LACP between ports connected from VLT peer 1 and VLT peer 2 to the top
of rack unit.
EXEC Privilege mode
show running-config entity
10. Configure the VLT peer link port channel id in VLT peer 1 and VLT peer 2.
EXEC mode or EXEC Privilege mode
show interfaces interface
11. In the top of rack unit, configure LACP in the physical ports.
EXEC Privilege mode
show running-config entity
12. Verify that VLT is running.
EXEC mode
show vlt brief
or
show vlt detail
Virtual Link Trunking (VLT)
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