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378 Nokia Network Voyager for IPSO 4.0 Reference Guide
all PIM-enabled interfaces become unavailable and remain in that state until all interfaces are
back up.
Beginning with IPSO 3.8, you can configure either a PIM-SM or a PIM-DM interface to
advertise the VRRP virtual IP address if the router transitions to become VRRP master after a
failover. If you enable this option, you do not need to enable HA mode. For more information
about the VRRP virtual IP address option, see “VRRP.”
Note
The HA mode applies only to sparse-mode PIM. The HA mode feature does not affect the
functioning of dense-mode PIM. You cannot enable HA mode if you enable IP clustering.
1. Click PIM under Configuration > Routing Configuration in the tree view.
2. In the PIM Instance Mode field, click On for sparse.
3. Click Apply.
4. In the HA Mode field, click On to enable the high-availability mode.
5. Click Apply.
6. In the Interfaces section, click On for each interface to run PIM.
Note
The number of interfaces on which you can run PIM is unlimited
7. Click Apply.
8. (Optional) For each interface that is running PIM, enter the specified local address in the
Local Address edit box. PIM uses this address to send advertisements on the interface. This
option is useful only when multiple addresses are configured on the interface.
Note
If neighboring routers choose advertisement addresses that do not appear to be on a
shared subnet, then all messages from the neighbor are rejected. A PIM router on a
shared LAN must have at least one interface address with a subnet prefix that all
neighboring PIM routers share.
9. (Optional) For each interface that is running PIM, enter a new designated router priority in
the DR Election Priority text box. The router with the highest priority and the highest IP
address is elected as the designated router. To break a tie, the designated router with the
highest IP address is chosen. If even one router does not advertise a DR election priority
value in its hello messages, DR election is based on the IP addresses. The default is 1, and
the range is 0 to 4294967295 (2^32 - 1).