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Configure the router – Allied Telesis AR400 User Manual

Page 88

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Page 88 | AlliedWare™ OS How To Note: IGMP

Stopping snoopers from snooping non-IGMP messages > Example

The router uses OSPF.

With the above configuration, the router sends OSPF messages to switch 2. As the following
outputs show, this means that:

z

switch 2 designates port 24 an All Groups port

z

switch 2 forwards the OSPF packets to uplink port 25 on switch 3, so switch 3 designates
port 25 an All Groups port

z

switch 3 forwards the OSPF packets to uplink port 49 on switch 1, so switch 1 designates
port 49 an All Groups port

X

Configure the router

set system name=Router

# VLAN general configuration

create vlan=vlan100 vid=100

add vlan=100 port=1-4

# IP configuration

enable ip

set ip autonomous=65000

add ip int=vlan100 ip=172.31.0.1 mask=255.255.255.0

add ip int=eth0 ip=10.0.0.1

# OSPF configuration

set ospf routerid=172.31.0.1

add ospf area=0.0.0.1

add ospf range=172.31.0.0 area=0.0.0.1 mask=255.255.255.0

add ospf interface=vlan100 area=0.0.0.1

enable ospf

Manager Switch 2> show igmpsnooping

IGMP Snooping

------------------------------------------------------------------------

Status ........................... Enabled

Disabled All-groups ports ........ None

Vlan Name (vlan id) ..... default (1)

Fast Leave .............. Off

Group List ..............

No group memberships.

Vlan Name (vlan id) ..... vlan100 (100)

Fast Leave .............. Off

Group List ..............

All Groups Entry timeout 256 secs

Ports 24-25

------------------------------------------------------------------------

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