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Can I manually select the upstream multicast hop in NG-MPVN instead of having it default to the highest IP address?
When a multicast source connects to two PE routers, the receiver PE router selects the upstream multicast PE router. By default, it selects the router whose upstream address is numerically highest.
In Junos OS 9.6 Release and later, it is possible to change the upstream PE router selection behavior, for example, if the primary sender PE router has a lower address than the backup sender PE router.
You can select the upstream multicast hop (UMH) based on the unicast route preference, using the unicast-umh-election statement as shown:
set routing-instances routing-instance name protocols mvpn unicast-umh-election
CAUTION: When using the unicast-umh-election statement:
For more information, click Layer 3 VPNs Feature Guide.