18-2
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 18 Configuring MVRP
Default MVRP Configuration
Default MVRP Configuration
Table 18-1 shows the default MVRP configuration.
MVRP Configuration Guidelines
When configuring MVRP, follow these guidelines:
• GVRP must be disabled globally and on a per-port basis.
• You can configure MVRP only on the trunk ports.
• You must enable MVRP on both ends of a trunk link.
• The switch should not have any PVLAN configuration.
• The MVRP registration mode for VLAN 1 is always fixed and is not configurable.
• When VTP pruning is enabled, it interoperates with MVRP on all the MVRP-enabled trunk ports.
Scalability Data for MVRP
• On a Catalyst 6500 series switch with Supervisor Engine 720, that runs software release 8.7(3), the
switch supports the following within an optimal operational CPU utilization:
–
MVRP pruning for 4094 VLANs on 6 trunks/channels.
–
MVRP pruning for 2500 VLANs on 11 trunks/channels
The default timer values are Join- 20 Centi-seconds, Leave-150 Centi-seconds, and Leave All-6000
Centi-seconds.
Caution Increase in number of VLANs and decreased timer values from the set default, results in high CPU
utilization
Table 18-1 MVRP Default Configuration
Feature Default Value
MVRP global enable state Disabled
MVRP per-trunk enable state Disabled on all ports
MVRP dynamic creation of VLANs Disabled
MVRP registration mode normal, with VLAN 1 set to fixed, for all ports
MVRP applicant state normal (ports do not declare VLANs when in STP
1
blocking state)
1. STP = Spanning Tree Protocol
MVRP timers • Join timer: 20 cs
2
• Leave timer: 60 cs
• Leaveall timer: 1000 cs
2. cs = Centiseconds
MVRP periodic timer Disabled
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