Configuring VLAN Stacking VLAN Stacking Specifications
OmniSwitch 6800/6850/9000 Network Configuration Guide March 2008 page 6-3
VLAN Stacking Specifications
Service-Based VLAN Stacking Defaults
IEEE Standards Supported IEEE 802.1Q, 2003 Edition, IEEE Standards for Local
and metropolitan area networks—Virtual Bridged
Local Area Networks
P802.1ad/D6.0 (C/LM) Standard for Local and Met-
ropolitan Area Networks - Virtual Bridged Local Area
Networks - Amendment 4: Provider Bridges
Maximum number of SVLANs for port-based
VLAN Stacking
port level VLAN Stacking: 4093 (VLAN 2 through
4094)
port/VLAN level VLAN Stacking: 768 (VLAN 2
through 4094 inclusive)
Maximum number of SVLANs for service-based
VLAN Stacking
4093 (VLAN 2 through 4094)
Features not supported on VLAN Stacking ports Group Mobility, Authentication, and L3 Routing
Parameter Description Command Default Value/Comments
VLAN Stacking mode ethernet-service mode legacy VLAN Stacking (vstk)
SVLAN administrative and Span-
ning Tree status.
ethernet-service svlan Enabled
IPMVLAN administrative and Span-
ning Tree status.
ethernet-service ipmvlan Enabled
Vendor TPID and legacy BPDU sup-
port for STP or GVRP on a VLAN
Stacking network port.
ethernet-service nni TPID = 0x8100
legacy STP BPDU = dropped.
legacy GVRP BPDU = dropped.
Acceptable frame types on a VLAN
Stacking user port.
ethernet-service sap cvlan None.
Traffic engineering profile attributes
for a VLAN Stacking Service Access
Point (SAP).
ethernet-service sap-profile ingress bandwidth = shared
ingress bandwidth mbps = 0
CVLAN tag is preserved.
SVLAN priority mapping = 0
Treatment of customer STP and
GVRP frames ingressing on a VLAN
Stacking user port.
ethernet-service uni-profile STP frames are tunneled.
GVRP frames are tunneled.
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