• (S,G) pair—Source, Group pair value
• Uptime—Time, in seconds, that this (S, G) pair entry has been in the routing table
• Upstream Prune—Whether the router has sent prune messages for this group
• RPF Interface—Interface that provides the shortest path back to the source
• Outgoing interface list—Types and specifiers of interfaces through which the VR
forwards DVMRP messages, such as atm3/0. For details about interface types and
specifiers, see Interface Types and Specifiers in JunosE Command Reference Guide.
• Example
host1:boston#show ip dvmrp mroute
IP DVMRP Multicast Routing Table
(40.0.0.0/16, 228.1.1.1) Uptime: 77
Upstream Prune: none
RPF Interface
atm5/0.40
Outgoing interface list:
atm5/0.31
• See show ip dvmrp mroute.
show ip dvmrp neighbor
• Use to display information about DVMRP neighbors.
• Specify the brief keyword to view a summary of information.
• Field descriptions
• Neighbor Address/NbrAddress—IP address of the neighbor
• Interface—Interface type and specifier, such as atm3/0. For details about interface
types and specifiers, see Interface Types and Specifiers in JunosE Command Reference
Guide.
• Neighbor upTime/UpTime—Length of time, in seconds, that this router has been a
neighbor
• Neighbor Major Version/Maj—Major number of the DVMRP version on the neighbor
• Neighbor Minor Version/Min—Minor number of the DVMRP version on the neighbor
• Neighbor Capabilities/Cap—Capability of the neighbor
• Prune/P—Ability to send prune messages
• GenerationId/G—Ability to create a generation ID number
• Mtrace/M—Ability to trace multicast routes
• Netmask/N—Ability to send prunes and grafts with a network mask address
• Neighbor State/State—Status of communications with the neighbor
135Copyright © 2010, Juniper Networks, Inc.
Chapter 4: Configuring DVMRP
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