R3721-F3210-F3171-HP High-End Firewalls Network Management Command Reference-6PW101

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By default, no source address range for hello messages is configured. That is, all the received hello
messages are considered legal.
Examples
# Configure a legal source address range for hello messages on GigabitEthernet 0/1 so that only the
devices on the 10.1.1.0/24 subnet can become PIM neighbors of this router.
<Sysname> system-view
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule permit source 10.1.1.0 0.0.0.255
[Sysname-acl-basic-2000] quit
[Sysname] interface gigabitethernet 0/1
[Sysname-GigabitEthernet0/1] pim neighbor-policy 2000
pim require-genid
Syntax
pim require-genid
undo pim require-genid
View
Interface view
Default level
2: System level
Parameters
None
Description
Use pim require-genid to enable rejection of hello messages without Generation_ID.
Use undo pim require-genid to restore the default.
By default, hello messages without Generation_ID are accepted.
Examples
# Enable GigabitEthernet 0/1 to reject hello messages without Generation_ID.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/1
[Sysname-GigabitEthernet0/1] pim require-genid
pim sm
Syntax
pim sm
undo pim sm
View
Interface view