Operation Manual – Multicast Protocol
Quidway S5600 Series Ethernet Switches-Release 1510 Chapter 7 PIM Configuration
Huawei Technologies Proprietary
7-12
7.2.3 Configuring PIM Neighbors
In order to prevent plenty of PIM neighbors from using out the memory of the router,
which may result in router failure, you can limit the number of PIM neighbors on the
router interface. However, the total number of PIM neighbors of a router is defined by
the system, and you cannot modify it through commands.
You can configure basic ACL 2000 to 2999 (refer to the part about ACL in this manual).
Only the filtered Layer 3 switches (routers) cam serve as the PIM neighbors of the
current interface.
Table 7-4 Configure PIM neighbors
Operation Command Description
Enter system view system-view —
Enable the multicast
routing protocol
multicast
routing-enable
Required
Enter VLAN interface
view
interface Vlan-interface
interface-number
—
Enable PIM-DM/PIM-SM
on the current interface
pim dm / pim sm
Required
Configure the PIM
protocol type on the
interface
Configure limit on the
number of PIM neighbors
on the interface
pim neighbor-limit limit
Optional
By default, the upper limit
on the number of PIM
neighbors on a interface
is 128
Configure the filtering
policy for PIM neighbors
pim neighbor-policy
acl-number
Optional
z You can configure to
filter the IP addresses
of some multicast
groups in ACL.
z By default, the filtering
policy for neighbors
cannot be enabled on
an interface.
Caution:
If the number of existing PIM neighbors exceeds the user-defined limit, the existing PIM
neighbors will not be deleted.
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