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Configuring IP Multicast Protocols
December 2005
© Foundry Networks, Inc.
19 - 21
Neighbor timeout
How many seconds the Layer 3 Switch will wait for a hello message
from a neighbor before determining that the neighbor is no longer
present and removing cached PIM Sparse forwarding entries for the
neighbor.
Bootstrap Msg interval
How frequently the BSR configured on the Layer 3 Switch sends the
RP set to the RPs within the PIM Sparse domain. The RP set is a list
of candidate RPs and their group prefixes. A candidate RP’s group
prefix indicates the range of PIM Sparse group numbers for which it
can be an RP.
Note
: This field contains a value only if an interface on the Layer 3
Switch is elected to be the BSR. Otherwise, the field is blank.
Candidate-RP Advertisement interval
How frequently the candidate PR configured on the Layer 3 Switch
sends candidate RP advertisement messages to the BSR.
Note
: This field contains a value only if an interface on the Layer 3
Switch is configured as a candidate RP. Otherwise, the field is blank.
Join/Prune interval
How frequently the Layer 3 Switch sends PIM Sparse Join/Prune
messages for the multicast groups it is forwarding. This field show the
number of seconds between Join/Prune messages.
The Layer 3 Switch sends Join/Prune messages on behalf of multicast
receivers who want to join or leave a PIM Sparse group. When
forwarding packets from PIM Sparse sources, the Layer 3 Switch
sends the packets only on the interfaces on which it has received join
requests in Join/Prune messages for the source’s group.
You can change the Join/Prune interval if needed. See “Changing the
PIM Join and Prune Message Interval” on page 19-19.
SPT Threshold
The number of packets the Layer 3 Switch sends using the path
through the RP before switching to using the SPT path.
PIM Sparse interface information
Note
: You also can display IP multicast interface information using the
show ip pim interface
command.
However, this command lists all IP multicast interfaces, including regular PIM (dense mode) and DVMRP
interfaces. The
show ip pim sparse
command lists only the PIM Sparse interfaces.
Interface
The type of interface and the interface number. The interface type can
be one of the following:
•
Ethernet
•
VE
The number is either a port number (and slot number if applicable) or
the virtual interface (VE) number.
TTL Threshold
Following the TTL threshold value, the interface state is listed. The
interface state can be one of the following:
•
Disabled
•
Enabled
Local Address
Indicates the IP address configured on the port or virtual interface.
This Field...
Displays...
Summary of Contents for FastIron Edge Switch X424
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