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QinQ (Provider Bridging)
Event Log Messages and SNMP Support
Table 8-4. MIB Objects for QinQ
MIB Object Notes and Descriptions
Standard MIBs
dot1qVlanStaticTable VLANS (S-VLANs or C-VLANS) are created using the
standard MIBs such as the dot1qVlanStaticTable defined by
rfc2674_q MIB. To differentiate the VLAN as an S-VLAN or a
C-VLAN, the dot1qVlanStaticTable is augmented by an HP
proprietary MIB (hpicfVlanClassifierTable) that lets the user
specify the VLAN type.
dot1qVlanStaticEntry A port can be a member of C-VLANs or S-VLANs but not both.
When changing port memberships using the SNMP
dot1qVlanStaticEntry mib object, variable binding to add a
port to the svlan and variable bindings to remove the port
from all existing cvlans (that it is a member of) need to be
sent in the same PDU (much like how the 'vlan <vlan-id>
untagged <port>' CLI command works today). The same is
applicable when moving a port from the S-VLAN space to the
C-VLAN space.
HP Proprietary MIBs
hpicfProviderBridge This MIB module is the HP 'version' of the standard Provider
Bridge MIB and the proprietary extensions to it.
hpicfProviderBridgeType Configures a device to any one of the following bridge mode
options:
• regular vlanBridge (provider bridge feature disabled
mode, all VLANs are C-VLANs);
• s-vlan bridge (provider bridge mode with only S-VLANs);
• provider edge bridge (provider bridge mode with
C-VLANs and S-VLANs and mappings between them);
• vlanSvlanBridge (provider bridge mode with independent
C-VLANs and S-VLANs on the same device).
hpicfProviderBridgeEtherType Defines the 2-byte ethertype for provider-tagged frames. It
is applicable to the following bridge types: s-vlan bridge,
provider edge bridge, or vlanSvlanBridge. The default value
is 0x88a8. Changing from one tag-type to another with a given
hpicfProviderBridgeType configuration will reboot the
device and the new tag-type will take effect subsequently.
hpicfProviderBridgeVlanType Augments the dot1qVlanStaticTable (see Standard MIBs
Table above). Used to configure a VLAN as an S-VLAN or as a
C-VLAN in vlanSvlanBridge mode. The absence of this
variable binding would classify the new VLAN as a C-VLAN.
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