MVRP Configuration Notes

  • Single STP or single 802.1w cannot be enabled if the system is MVRP-enabled. If you want to run single STP or 802.1w, it is recommended that you configure single STP or single 802.1w before enabling MVRP.
  • MVRP is not supported with PVST and MSTP and cannot co-exist with them. MVRP is only supported with single-802.1w and single-STP
  • Single STP or Single 802.1w cannot be removed when MVRP is running.
  • All dynamic VLANs created by the MVRP run Spanning Tree by default and hence participate in Single Span or Single 802.1w, when the system is under Single STP or single 802.1w mode.
  • STP must be disabled on the default VLAN to avoid per-VLAN STP conflict with MVRP
  • The default VLAN cannot be changed if the system is MVRP-enabled. Therefore, it is recommended that you change the default VLAN (optional) prior to enabling MVRP.
  • Default VLAN is always in FIXED registration. Therefore, it is recommended to retain the MVRP ports in the system default VLAN and maintain the default VLAN consistency in the network.
  • MVRP is not allowed on a Management port.
  • VLANs that are learned dynamically cannot be deleted manually. Static VLANs cannot be deleted manually if they have dynamic ports learned by MVRP.
  • Ports that are added dynamically cannot be removed manually from a dynamic or static VLAN.
  • Static VLANs cannot be configured as forbidden VLANs.
  • Dynamic VLAN creation by MVRP is enabled by default. If you choose to change the default behavior using the mvrp vlan-creation-disable command, it is recommended that you do so prior to enabling MVRP.
  • Dynamic VLANs created by MVRP can be converted to static using standard VLAN commands. Similarly, MVRP-added ports can be converted to static members by retagging the ports using VLAN port tagging commands.
  • VLANs created by MVRP do not support virtual routing interfaces. However, virtual routing interfaces are supported on statically configured VLANs even if MVRP adds ports to those VLANs.
  • An MVRP periodic timer is not supported.
  • Dynamic VLANs are not saved to the startup configuration and therefore, will not persist across a reload. However, once the system is up, the protocol will relearn the dynamic VLANs.
  • MVRP is supported both on physical ports, SPX-PE ports, and on LAG ports. However, an MVRP-enabled port cannot be added as a secondary port of a LAG.
  • VLAN groups cannot be configured when MVRP is enabled.
  • MVRP support is limited to 512 VLANs and 128 ports because of CPU and memory constraints.