Change any settings mentioned below on both the MLAG peers when required. Enable MLAG only after the above settings are configured on the two peer switches.
It is also recommended for MLAG to be temporarily disabled in order to make subsequent changes to the above settings.
Note: Be sure to schedule down time if making changes that impact traffic or cause data loss.
Note: Failure to make these areas identical may cause sporadic traffic issues on the network which are difficult to troubleshoot.
Option category | Settings that need to match on both MLAG peers | |
|
| |
Link Aggregation | Hashing mode | |
| Minimum links | |
| Static/dynamic LAG | |
| LACP parameters | |
| o | Actor parameters |
| o | Admin key |
| o Collector | |
| o | Partner parameters |
Spanning Tree | Bpdufilter | |
| Bpduflood | |
| ||
| ||
| Cost |
|
| Edgeport | |
| Root guard | |
| Loop guard | |
| STP Version | |
| STP MST VLAN configuration | |
| STP MST instance configuration (instance ID, | |
|
| port priority, port cost/mode) |
MLAG | ||
| Link speed | |
| Duplex mode | |
| MTU |
|
| Bandwidth | |
| VLAN configuration | |
Interfaces | PFC configuration | |
| CoS queue assignments | |
VLANs | MLAG VLANs must be configured on both | |
| MLAG peers, and connect to two partner LAGs. | |
Firmware | Both peers require the same firmware version | |
| to operate correctly. | |
Misc. | FDB entry aging timers | |
| Static MAC entries | |
| ACL configuration |
Table 1 Specific configuration options to be equal among MLAG peers
7 | Using MLAG in Dell Networks |
.