Virtual Private LAN Service
296
FD 100/320Gbps NT and FX NT IHub Services Guide
3HH-11985-AAAA-TQZZA Issue: 13
Description This command creates a Service Access Point (SAP) within an m-VPLS or v-VPLS service.
An SAP is a combination of port and encapsulation parameters which identifies the SAP on
the interface and within the ISAM. Each SAP must be unique. An m-VPLS uses SAPs built
upon a Ethernet dot1q encapsulated physical or LAG port, to process untagged L2CP frame
processing on the specified port, to manage STP. A v-VPLS uses Ethernet dot1q
encapsulated SAPs to handle VLAN ID tagged traffic (non-L2CP), received on the port defined
by the SAP associated with the v-VPLS. All SAPs for a v-VPLS service will share the same
VLAN ID, as specified in the v-VPLS service associated with the SAP. So for every residential
or a cross-connect service, SAPs are used to associate the service to a LAG or physical port.
An SAP can only be associated with a single service. An SAP can only be defined on a port
that has been configured as an access port using the configure interface port-type port-id
mode access command. A v-VPLS behavior distinguishes between residential (user) ports
and regular (network) ports, to secure control over MAC learning capabilities, and enable the
ability to control user-to-user communication. User-to-user communication can be enabled or
disabled, to allow or prevent user-to-user communications between residential ports.
The operational state of an SAP is relative to the operational state of the port on which the SAP
is defined. If a port is shutdown, all SAPs on that port become operationally down. When a
service is shutdown, SAPs for the service are not displayed as operationally down although all
traffic traversing the service will be discarded.
The no form of this command deletes the SAP with the specified port. When an SAP is deleted,
all configuration parameters for the SAP will also be deleted.
Default No SAPs are defined.
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