VPLS Service Configuration Commands
Page 496 7750 SR OS Services Guide
qtag1, qtag2 — Specifies the encapsulation value used to identify the SAP on the port or sub-port. If
this parameter is not specificially defined, the default value is 0.
Values qtag1: 0 — 4094
qtag2 : * | 0 — 4094
The values depends on the encapsulation type configured for the interface. The following table
describes the allowed values for the port and encapsulation types.
create — Keyword used to create a SAP instance. The create keyword requirement can be enabled/
disabled in the environment>create context.
split-horizon-group group-name — Specifies the name of the split horizon group to which the SAP
belongs.
discard-unknown-source
Syntax [no] discard-unknown-source
Context config>service>vpls>sap
config>service>vpls>spoke-sdp
Port Type Encap-Type Allowed Values Comments
Ethernet Null 0 The SAP is identified by the port.
Ethernet Dot1q 0 — 4094 The SAP is identified by the 802.1Q tag on the port.
Note that a 0 qtag1 value also accepts untagged packets
on the dot1q port.
Ethernet QinQ qtag1: 0 — 4094
qtag2: 0 — 4094
The SAP is identified by two 802.1Q tags on the port.
Note that a 0 qtag1 value also accepts untagged packets
on the dot1q port.
SONET/SDH IPCP - The SAP is identified by the channel. No BCP is
deployed and all traffic is IP.
SONET/SDH
TDM
BCP-Null 0 The SAP is identified with a single service on the
channel. Tags are assumed to be part of the customer
packet and not a service delimiter.
SONET/SDH
TDM
BCP-Dot1q 0 — 4094 The SAP is identified by the 802.1Q tag on the channel.
SONET/SDH
TDM
Frame Relay 16 — 991 The SAP is identified by the data link connection
identifier (DLCI).
SONET/SDH
ATM
ATM vpi (NNI) 0 — 4095
vpi (UNI) 0 — 255
vci 1, 2, 5 — 65535
-
The SAP is identified by port or by PVPC or PVCC
identifier (vpi, vpi/vci, or vpi range)