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1410 CHAPTER 90: PIM CONFIGURATION COMMANDS
Description Use the jp-queue-size command to configure the maximum number of (S, G)
entries in a join/prune message.
Use the
undo jp-queue-size command to restore the default setting.
By default, a join/prune messages contains a maximum of 1,020 (S, G) entries.
When you use this command, take the following into account:
■ The size of the forwarding table. In a network that does not support packet
fragmentation, if you configure a large queue-size, a join/prune message may
contain a large number of groups, causing the message length to exceed the
MTU of the network. As a result, the products that do not support
fragmentation will drop the join/prune message.
■ The (S, G) join/prune state hold time on the upstream device. If you configure a
small queue size, the outgoing interface of the corresponding entry may have
been pruned due to timeout before the last join/prune message in a queue
reaches the upstream device.
Related commands: jp-pkt-size (PIM view), holdtime join-prune (PIM view), pim holdtime
join-prune.
Example # Configure a join/prune messages to contain a maximum of 2,000 (S, G) entries
in the public instance.
<Sysname> system-view
[Sysname] pim
[Sysname-pim] jp-queue-size 2000
pim
Syntax pim [ vpn-instance vpn-instance-name ]
undo pim [ vpn-instance vpn-instance-name ]
View System view
Parameter vpn-instance-name: VPN instance name, a case sensitive string of up to 31
characters.
Description Use the
pim command to enter public instance PIM view or VPN instance PIM
view.
Use the
undo pim command to remove all configurations performed in public
instance PIM view or VPN instance PIM view.
IP multicast must be enabled on the device before this command can take effect.
Related command: multicast routing-enable on page 1341.