DELL N3000 User Manual

Configuring Link Aggregation

2 STP

The default STP mode for Dell Networking switches is RSTP. VLANs 

cannot be configured to contain both MLAG ports and non-MLAG (non-

redundant) ports. Only RSTP or MSTP are supported with MLAG. STP-

PV and RSTP-PV are not supported with MLAG. The following STP 

configuration parameters must be the identical on both MLAG peers.
–

Spanning-tree version (RSTP or MSTP)

–

Bpdufilter

–

Bpduflood

–

Auto-edge

–

TCN-guard

–

Cost

–

Edgeport

–

STP  Version

–

STP MST VLAN configuration

–

STP MST instance configuration (MST instance ID/port priority/port 

cost/mode)

–

Root guard

–

Loop  guard

3 Port-channel interface

The following port-channel attributes must be identical for MLAG port-

channels:
–

Port-channel mode

–

Link speed

–

Duplex  mode

–

MTU

–

Bandwidth

–

VLAN configuration