Telewell TW-EAV510 V2 User Manual download pdf (Page 158)

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Query Response Interval: Enter the response interval time (sec).

Last Member Query Interval: Enter the interval time (sec) the multicast router query the specified

group after it has received leave message.

Robustness Value: Enter the router robustness parameter, 2-7, the greater the robustness value, the

more robust the Querier is.

Maximum Multicast Groups: Enter the Maximum Multicast Groups.

Maximum Multicast Data Sources (for IGMP v3): Enter the Maximum Multicast Data Sources,1- 24.

Maximum Multicast Group Members: Enter the Maximum Multicast Group Members.

Fast leave: Check to determine whether to support fast leave. If this value is enabled, IGMP proxy

removes the membership of a group member immediately without sending an IGMP membership

query on downstream. This is very helpful if user wants fast channel (group change) changing in cases

like IPTV environment.

LAN to LAN (Intra LAN) Multicast: Check to determine whether to support LAN to LAN (Intra LAN)

Multicast. If user want to have a multicast data source on LAN side and he want to get IGMP snooping

enabled, then this LAN-to-LAN multicast feature should be enabled.

Membership Join Immediate (IPTV): When a host joins a multicast session, it sends unsolicited join

report to its upstream router immediately. The Startup Query Interval has been set to 1/4 of the

General Query value to enable the faster join at startup.

MLD

Default Version: Enter the supported MLD version, 1-2, default is MLDv2.

Query Interval: Enter the periodic query interval time (sec) the multicast router sending the query

message to hosts to understand the group membership information.

Query Response Interval: Enter the response interval time (sec).

Last Member Query Interval: Enter the interval time (sec) the multicast router query the specified

group after it has received leave message.

Robustness Value: Enter the router robustness parameter, default is 2, the greater the robustness

value, the more robust the Querier is.

Maximum Multicast Groups: Enter the Maximum Multicast Groups.

Maximum Multicast Data Sources(for MLDv2): Enter the Maximum Multicast Data Sources,1-24.

Maximum Multicast Group Members: Enter the Maximum Multicast Group Members.

Fast leave: Check to determine whether to support fast leave. If this value is enabled, MLD proxy

removes the membership of a group member immediately without sending an MLD membership query

on downstream. This is very helpful if user wants fast channel (group change) changing in cases like

IPTV environment.

LAN to LAN (Intra LAN) Multicast: Check to determine whether to support LAN to LAN (Intra LAN)

Multicast. If user want to have a multicast data source on LAN side and he want to get MLD snooping

enabled, then this LAN-to-LAN multicast feature should be enabled.

Management

SNMP Agent

SNMP, Simple Network Management Protocol, is the most popular one in network. It consists of

SNMP Manager，SNMP Agent and MIB. Every network device supporting SNMP will have a SNMP

Agent which is a management software running in the device.

SNMP Manager, the management software running on the server, it uses SNMP protocol to send

GetRequest、GetNextRequest, SetRequest message to Agent to view and change the information of

the device.

SNMP Agents, the management software running in the device, accepts the message from the

manager, Reads or Writes the management variable in MIB accordingly and then generates Response

message to send it to the manager. Also, agent will send Trap message to the manager when agent

finds some exceptions.

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Telewell TW-EAV510 V2 User Manual Page 158

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