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Understanding the Multicast Forwarding Cache
IP multicast protocols can create numerous entries in the multicast forwarding cache. If the forwarding cache fills up with entries that prevent the addition of higher-priority entries, applications and protocols might not function properly. You can manage the multicast forwarding cache properties by limiting the size of the cache and by controlling the length of time that entries remain in the cache. By managing timeout values, you can give preference to more important forwarding cache entries while removing other less important entries.
