Cisco SF500-24 Administration Manual page 233
Esw2 series advanced switches
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Customer traffic is encapsulated with an S-tag with TPID 0x8100, regardless of
whether it was originally c-tagged or untagged. The S-tag allows this traffic to be
treated as an aggregate within a provider bridge network, where the bridging is
based on the S-tag VID (S-VID) only.
The S-Tag is preserved while traffic is forwarded through the network service
provider's infrastructure, and is later removed by an egress device.
An additional benefit of QinQ is that there is no need to configure customers' edge
devices.
QinQ is enabled in the VLAN Management > Interface Settings page.
VLAN Configuration Workflow
To configure VLANs:
1. If required, change the default VLAN by using the
Settings
section.
2. Create the required VLANs by using the
3. Set the desired VLAN-related configuration for ports and enable QinQ on an
interface using the
4. Assign interfaces to VLANs by using the
the
Configuring VLAN Membership
5. View the current VLAN port membership for all the interfaces in the
VLAN Membership
6. If required, configure VLAN groups as described in the
Protocol-based VLANs
7. If required, configure TV VLAN as described in the
VLAN
and
Customer Port Multicast TV VLAN
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3
Configuring VLAN Interface Settings
section.
section.
sections.
VLAN Management
Configuring Default VLAN
Creating VLANs
section.
section.
Configuring Port to VLAN
MAC-based Groups
Access Port Multicast TV
sections.
VLANs
section or
Configuring
and
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