B&B Electronics EIRM-EXTEND-8 - Manual User Manual
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Manual Documentation Number: EIRM-EXTEND-8-1411m
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B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
The following example changes the frequency of sending IGMP host-query 
messages to 2 minutes on vlan1.1: 
switch_a(config)#interface vlan1.1 
switch_a(config-if)#ip igmp query-interval 120 
switch_a(config-if)# 
 
IGMP querier: 
Max-response-time: 
1. Command Mode: Interface mode 
Logon to Configure Mode (Configure Terminal Mode). 
Then logon to Interface mode. 
vlan1.1 means vlan 1. 
The switch_a(config-if)# prompt will show on the screen. 
switch_a(config)#interface vlan1.1 
switch_a(config-if)# 
 
2. Usage: 
Use ip igmp query-max-response-time command to configure the 
maximum response time advertised in IGMP queries. 
 
To restore to the default value, use the no ip igmp query-max-response-
time command. 
 
3. Command Syntax: 
ip igmp query-max-response-time RESPONSETIME 
no ip igmp query-max-response-time 
RESPONSETIME <1-240> Maximum response time (in seconds) 
advertised in IGMP queries. Default: 10 seconds. 
 
4. Example: 
The following example configures a maximum response time of 8 seconds 
on vlan1.1: 
switch_a(config)#interface vlan1.1 
switch_a(config-if)#ip igmp query-max-response-time 8 
switch_a(config-if)# 
 
IGMP passive snooping: 
Static mc router port: 
1. Command Mode: Interface mode 
Logon to Configure Mode (Configure Terminal Mode). 
Then logon to Interface mode. 
