Virtual Leased Line Services
7750 SR OS Services Guide Page 199
Configuring VLL Resilience
The following is an example to create VLL resilience. Note that the zero revert-time value means
that the VLL path will be switched back to the primary immediately after it comes back up.
Figure 3: VLL Resilience
For PE1:
Example:config>service# epipe 12 customer 1 vc-switching create
config>service>epipe$ endpoint x create
config>service>epipe>endpoint$ exit
config>service>epipe# endpoint y create
config>service>epipe>endpoint# revert-time 0
config>service>epipe>endpoint# exit
config>service>epipe# sap 1/1/1:100 endpoint x create
config>service>epipe>sap$ exit
config>service>epipe# spoke-sdp 1:100 endpoint y create
config>service>epipe>spoke-sdp$ precedence primary
config>service>epipe>spoke-sdp$ exit
config>service>epipe# spoke-sdp 2:200 endpoint y create
config>service>epipe>spoke-sdp$ precedence 1
config>service>epipe>spoke-sdp$ no shutdown
config>service>epipe>spoke-sdp$ exit
config>service>epipe# no shutdown
PE 1
BRAS
PE 2
PE 3
spoke-sdp 1:100
spoke-sdp 2:200
sap 2/2/2:200
sap 3/3/300
sap 1/1/1:100
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