Administrator's Guide v4.1.1 Manual

Feature scalability
The scalability numbers of VLAN features remains same as in the previous release. The following lists
VF resource numbers for the Brocade VDX 8770 series and VDX 6740 series.
VF resource numbers for Brocade VDX 8770 and VDX 6740 seriesTABLE 61
Resources VDX 8770 series VDX 6740 series
802.1Q VLANs per switch 8192 4096
VFs per switch 8192 2000
VFs per fabric 8192 8192
MAC-based classifications per
switch
8192 256
Service VF with overlapping C-TAG
(best case)
8192 2000
Service VF with overlapping C-TAG
(worst case)
8192 64
AMPP port profiles 1000 1000
Transport VFs (best case) 1000 1000
Transport VFs (worst case) 1000 178
Maximum number of VLANs
The target number of VLANs supported is 8K at a local RBridge. These may be traditional 802.1Q
VLANs or service VFs. Below are some factors that determine the actual number of VLAN IDs that are
configurable on a local RBridge constrained by the availability of ASIC resources to support internal
VLAN IDs (IVIDs).
AMPP port-profile provisioning
When a port becomes a profile-port, IVIDs are allocated internally for VLANs that are defined in a port-
profile domain associated with the interface or VLANs that are defined in the port-profiles associated
with the interface. These resources are consumed before the VLANs are provisioned, underutilizing
the IVID resources if a VM does not appear on these VLANs. The overbooked IVIDs will not be
available for VLANs configured by the switchport command.
Number of VE interfaces
The interface ve command creates a VE interface on a specified VLAN on a specified RBridge.
Because the VLAN flood domain must extend within the VCS Fabric by means of ISLs for routing
purposes, an IVID must be allocated for the VLAN even though the VLAN is not configured on any
local RBridge switch ports, imposing a scalability issue. Each VE interface consumes an IVID from the
resource pool. The total number of interfaces (without switch ports) and VLANs that are provisioned
cannot exceed 8192 on the VDX 8770 series and VDX 6740 series.
Number of VLAN ACLs
Configuring Virtual Fabrics
380 Network OS Administrator’s Guide
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