VLAN Stacking Specifications Configuring VLAN Stacking
page 9-2 OmniSwitch AOS Release 6 Network Configuration Guide September 2009
VLAN Stacking Specifications
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
Platforms Supported OmniSwitch 6400, 6850, 6855, and 9000
Maximum number of SVLANs 4093 (VLAN 2 through 4094)
Features not supported on VLAN Stacking ports Group Mobility, Authentication, and L3 Routing
Parameter Description Command Default Value/Comments
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.
802.1x frames are discarded.
802.1ab frames are discarded.
802.3ad frames are processed.
AMAP frames are discarded.
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