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62 Using MLAG in Dell Networking N-Series Switches | version 1.5

All member ports must show UP, and the VPC interface state must show Active.

The

show interface port-channel is another helpful tool to let you know if the configured LAGs are up and

running. When correctly configured, ports in the LAG are listed with an Active status. Inactive ports indicate a

possible cabling or configuration issue.

MLAG peers

show interfaces port-channel 40

Channel Ports Ch-Type Hash Type Min-links Local Prf

------- ----------------------------- -------- --------- --------- ---------

Po20 Active: Gi1/0/1, Gi1/0/2 Dynamic 7 1 Disabled

Hash Algorithm Type

1 - Source MAC, VLAN, EtherType, source module and port Id

2 - Destination MAC, VLAN, EtherType, source module and port Id

3 - Source IP and source TCP/UDP port

4 - Destination IP and destination TCP/UDP port

5 - Source/Destination MAC, VLAN, EtherType, source MODID/port

6 - Source/Destination IP and source/destination TCP/UDP port

7 - Enhanced hashing mode

show interface port-channel 40 command output for N3024-1 in Two-tier

topology

A.3 MLAG, vPC and RSTP-PV example

Run the show vpc brief command on either MLAG peer to display information on both peers

vPC peer 1 (Nexus_5548-1)

vPC peer 2 ( Nexus_5548-2)

show vpc brief

Legend:

(*) - local vPC is down, forwarding via

vPC peer-link

vPC domain id : 1

Peer status : peer adjacency formed

vPC keep-alive status : peer is alive

Configuration consistency status : success

Per-vlan consistency status : success

Type-2 consistency status : success

vPC role : primary

Number of vPCs configured : 2

Peer Gateway : Disabled

Dual-active excluded VLANs : -

Graceful Consistency Check : Enabled

Auto-recovery status : Enabled (timeout =

240 seconds)

vPC Peer-link status