Data Preparation
To configure control parameters of the multicast forwarding table, you need the following data.
No. Data
1 Multicast source address, group address, and mask or mask length
2 Matching policy, switch sequence, and route preference of the multicast routes
3 Maximum number of entries in the multicast forwarding table
4 Maximum number of downstream nodes of each entry in the multicast forwarding
table
9.6.2 Setting the Maximum Number of Entries in Multicast
Forwarding Table
Too many multicast forwarding entries may use up the memory of a multicast device. You can
set the maximum number of entries in a multicast forwarding table of a multicast device and
adjust the number of entries according to the actual networking and service performance to avoid
the fault risk resulted from excessive entries.
Context
CAUTION
Configurations related to VPN instances are applicable only to the PE switch. When configuring
the maximum number of entries in the forwarding table for a VPN instance on a PE, perform
the configuration in the VPN instance. In other cases, the maximum number of entries in the
forwarding table is configured in the public network instance.
By default, the maximum number supported by the system is used.
Do as follows on the multicast switch:
Procedure
l Public network instance
1. Run:
system-view
The system view is displayed.
2. Run:
multicast forwarding-table route-limit limit
The maximum number of entries in the multicast forwarding table is configured.
l VPN instance
1. Run:
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 9 IPv4 Multicast Routing Management
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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