Dell Networking N4000 Series Configuration Manual page 937

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
Configuring Link Aggregation
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