VLL Service Considerations
This section describes various of the general 7750 SR service features and any special capabilities
or considerations as they relate to VLL services.
SDPs
The most basic SDPs must have the following:
•
•
•
The most basic Apipe and Fpipe SDP configurations must have the following:
•
SDP Statistics for VPLS and VLL services
7750 SR OS Services Guide
A locally unique SDP identification (ID) number.
The system IP address of the originating and far-end 7750 SR routers.
An SDP encapsulation type - either GRE or MPLS.
A locally unique SDP identification (ID) number and vc-id.
VPLS1
VPLS2
PE1
SDP 101
GRE
PE2
VPLS1
Figure 15: SDP Statistics for VPLS and VLL Services
SDP 103
LDP
IP/MPLS
SDP 102
RSVP
VPLS2
Virtual Leased Line Services
VPLS1
VPLS2
PE3
Page 143