Configuring PIM hello message options

In either a PIM-DM domain or a PIM-SM domain, hello messages exchanged among routers contain the following configurable options:

You can configure hello message options for all interfaces in PIM view or for the current interface in interface view. The configuration made in interface view takes priority over the configuration made in PIM view.

Configuring hello message options globally

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter PIM view.

pim [ vpn-instance vpn-instance-name ]

N/A

3. Set the DR priority.

hello-option dr-priority priority

The default setting is 1.

4. Set the neighbor lifetime.

hello-option holdtime time

The default setting is 105 seconds.

5. Set the PIM message propagation delay.

hello-option lan-delay delay

The default setting is 500 milliseconds.

6. Set the override interval.

hello-option override-interval interval

The default setting is 2500 milliseconds.

7. Enable neighbor tracking.

hello-option neighbor-tracking

By default, neighbor tracking is disabled.

Configuring hello message options on an interface

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter interface view.

interface interface-type interface-number

N/A

3. Set the DR priority.

pim hello-option dr-priority priority

The default setting is 1.

4. Set the neighbor lifetime.

pim hello-option holdtime time

The default setting is 105 seconds.

5. Set the PIM message propagation delay.

pim hello-option lan-delay delay

The default setting is 500 milliseconds.

6. Set the override interval.

pim hello-option override-interval interval

The default setting is 2500 milliseconds.

7. Enable neighbor tracking.

pim hello-option neighbor-tracking

By default, neighbor tracking is disabled.

8. Enable dropping hello messages without the Generation ID option.

pim require-genid

By default, an interface accepts hello messages without the Generation ID option.