Alcatel-Lucent 7750 SR OS - Configuring Load Balancing with Management VPLS

Virtual Private LAN Services
7750 SR OS Services Guide Page 419
Configuring Load Balancing with Management VPLS
With the concept of management VPLS, it is possible to load balance the user VPLS services
across the two protecting nodes. This is done by creating two management VPLS instances, where
both instances have different active spokes (by changing the STP path-cost). When different user
VPLS services are associated with either the two management VPLS services, the traffic will be
split across the two spokes.
Load balancing can be achieved in both the SAP protection and spoke SDP protection scenarios.
Figure 4: Example Configuration for Loadbalancing Across Two Protected VPLS Spoke SDPs
Use the following CLI syntax to create a load balancing across two management VPLS instances:
CLI Syntax: config>service# sdp sdp-id mpls create
far-end ip-address
lsp lsp-name
no shutdown
CLI Syntax: vpls service-id customer customer-id [m-vpls] create
description description-string
mesh-sdp sdp-id:vc-id create
spoke-sdp sdp-id:vc-id create
stp
STP
Running in
m-vpls 1+2
ALA-B1ALA-A1
Metro 2
MPLS
Network
Metro 1
MPLS
Network
ALA-B2
ALA-A2
M
M
M
M
M
M
M
M
1/1:1
300:1 300:2
102:2
102:2
101:1
102:2
102:2
101:1
101:1 101:1
300:1 300:2
300:1300:2
300:1300:2
SDP 300
SDP 102,
path-cost=1000
SDP 101,
path-cost=1
SDP 300
S
S
S
S
OSSG049
S
S
S
S
= vpls 1 (m-vpls)
= vpls 2 (m-vpls)
SDP 101,
path-cost=1000
SDP 102,
path-cost=1