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Configuring mrouted
How to Configure mrouted
Chapter 2 31
How to Configure mrouted
When the mrouted daemon starts, it automatically reads the default
configuration file /etc/mrouted.conf. You can override the default
configuration file by specifying an alternate file while invoking mrouted.
See “Starting mrouted” on page 36 for more information. If you change
the /etc/mrouted.conf file while mrouted is running, issue the
following command to reread the configuration file:
kill -HUP
By default, mrouted automatically configures itself to forward on all
multicast-capable interfaces, excluding the loopback interface that has
the IFF_MULTICAST flag set. Therefore, you do not need to explicitly
configure mrouted, unless you need to configure tunnel links, change the
default operating parameters, or disable multicast routing over a specific
physical interface.
Configuration Commands
You can define the configuration commands in the /etc/mrouted.conf
configuration file. mrouted supports five configuration commands:
phyint, tunnel, cache_lifetime, pruning, and name. One or more
options are associated with each command.
The syntax of each command is as follows:
phyint
local-addr
[disable] [metric
m
] [threshold
t
] [rate_lim
it
b
]
[boundary (
boundary-name
|
scoped-addr
/
mask-len
)]
[altnet
network
/
mask-len
]
tunnel
local-addr remote-addr
[metric
m
] [threshold
t
] [rate_l
imit
b
]
[boundary (
boundary-name
|
scoped-addr
/
mask-len
)]
cache_lifetime c
t
pruning off/on
name
boundary-name scoped-addr
/
mask-len
phyint