Extreme Networks Summit1 User Manual

Page 171

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S

UMMIT

S

WITCH

I

NSTALLATION

AND

U

SER

G

UIDE

11-3

C

ONFIGURING

IP M

ULTICASTING

R

OUTING

Enable DVMRP on the router, using the following command:

enable dvmrp

Table 11-1

describes the commands used to configure IP multicast routing.

Table 11-1: IP Multicast Routing Configuration Commands

Command

Description

enable dvmrp

Enables DVMRP on the switch. The default
setting is disabled.

enable ipmcforwarding {<vlan <name> | all>} Enables IP multicast forwarding on an IP

interface. If

all

is specified, all configured IP

interfaces are affected. When new IP interfaces
are added, ipforwarding is disabled by default.

config dvmrp add {vlan <name> | all}

Enables DVMRP on an IP interface. When an IP
interface is created, DVMRP is enabled by
default.

config dvmrp delete {vlan <name> | all}

Disables DVMRP on an IP interface.

config dvmrp vlan <name> timer
<probe_interval>
<neighbor_timeout_interval>

Configures DVMRP interface timers. Specify the
following:

probe_interval

— The amount of time that

the switch waits between transmitting
DVMRP probe messages. The range is 1 to
4294967296 seconds (136 years). The
default setting is 10 seconds.

neighbor_timeout_interval

— The

amount of time before a DVMRP neighbor
route is declared to be down. The range is 1
to 4294967296 seconds (136 years). The
default setting is 35 seconds.

Summit.bk : 11IPMULT.FM Page 3 Thursday, June 18, 1998 9:27 AM

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