User Guide

DVMRP Specifications Configuring DVMRP
page 6-2 OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide December 2007
DVMRP Specifications
DVMRP Defaults
The following table lists the defaults for DVMRP configuration:
RFCs Supported 2667—IP Tunnel MIB
IETF Internet-Drafts Supported Distance-Vector Multicast Routing Protocol MIB
draft-ietf-idmr-dvmrp-v3-11.txt
DVMRP Version Supported DVMRPv3.255
DVMRP Attributes Supported Reverse Path Multicasting, Neighbor Discovery, Multicast
Source Location, Route Report Messages, Distance
metrics, Dependent Downstream Routers, Poison Reverse,
Pruning, Grafting, DVMRP Tunnels
DVMRP Timers Supported Flash update interval, Graft retransmissions, Neighbor
probe interval, Neighbor timeout, Prune lifetime, Prune
retransmission, Route report interval, Route hold-down,
Route expiration timeout
Range for Interface Distance Metrics 1 to 31
Range for Tunnel TTL Value 0 to 255
Multicast Protocols per Interface 1 (e.g., you cannot enable both PIM-SM and DVMRP on
the same IP interface)
Parameter Description Command Default Value/Comments
DVMRP load status ip load dvmrp Unloaded
DVMRP status ip dvmrp status Disabled
DVMRP interface status ip dvmrp interface Disabled
Flash update interval ip dvmrp flash-interval 5 seconds
Graft retransmission timeout ip dvmrp graft-timeout 5 seconds
Neighbor probe interval time ip dvmrp neighbor-interval 10 seconds
Neighbor timeout ip dvmrp neighbor-timeout 35 seconds
Prune lifetime ip dvmrp prune-lifetime 7200 seconds
Prune retransmission timeout ip dvmrp prune-timeout 30 seconds
Route report interval ip dvmrp report-interval 60 seconds
Route hold-down time ip dvmrp route-holddown 120 seconds
Route expiration timeout ip dvmrp route-timeout 140 seconds
Interface distance metric ip dvmrp interface metric 1
DVMRP tunnel status ip dvmrp tunnel Disabled
DVMRP tunnel TTL value ip dvmrp tunnel ttl 255
Subordinate neighbor status ip dvmrp subord-default true