PIM-DM (Dense Mode) on the 5300xl Switches
Applicable RFCs
Message Meaning
Unable to alloc a msg buffer for
Multicast routing is unable to acquire memory for a flow.
< text-message > (<counter>)
Router memory is oversubscribed. Reduce the number of
VLANs or the number of features in use. Remedies include
one or more of the following:
• Reduce the number of configured VLANs by moving
some VLANs to another router.
• Free up system resources by disabling another feature,
such as one of the spanning-tree protocols or either the
RIP or the OSPF routing protocol. (Unless you are using
static routes, you will need to retain a minimum of one
unicast routing protocol.) Another option that may help
is to reduce the number of configured QoS filters.
• Move some hosts that create multicast demand to
another router.
Applicable RFCs
PIM on the Switch Series 5300XL devices is compatible with these RFCs:
â– RFC 3376 - Internet Group Management Protocol, Version 3
â– RFC 2365 - Administratively Scoped IP Multicast
â– RFC 2932 - Multicast Routing MIB, with exceptions (Refer to "Exceptions
to Support for RFC 2932 - Multicast Routing MIB".)
â– RFC 2933 - IGMP MIB
â– RFC 2934 - Protocol Independent Multicast MIB for IPv4
â– draft-ietf-ssm-arch-01.txt - Source-Specific Multicast for IP (draft speci-
fication, expires May 2003
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