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User’s Manual of IGSW-24040T
Buttons
: Refreshes the displayed table starting from the "VLAN" input fields.
: Updates the table starting from the first entry in the VLAN Table, i.e. the entry with the lowest VLAN ID.
: Updates the table, starting with the entry after the last entry currently displayed.
: Click to save changes.
: Click to undo any changes made locally and revert to previously saved values.
4.8.5 Port Group Filtering
In certain switch applications, the administrator may want to control the multicast services that are available to end-user. For
example is about IP/TV service based on a specific subscription plan. The IGMP filtering feature fulfills this requirement by
restricting access to specified multicast services on a switch port, and IGMP throttling limits the number of simultaneous
multicast groups a port can join.
IGMP filtering enables you to assign a profile to a switch port that specifies multicast groups that are permitted or denied on the
port. An IGMP filter profile can contain one or more, or a range of multicast addresses; but only one profile can be assigned to a
port. When enabled, IGMP join reports received on the port are checked against the filter profile. If a requested multicast group
is permitted, the IGMP join report is forwarded as normal. If a requested multicast group is denied, the IGMP join report is
dropped.
IGMP throttling sets a maximum number of multicast groups that a port can join at the same time. When the maximum number
of groups is reached on a port, the switch can take one of two actions; either “deny” or “replace”. If the action is set to deny, any
new IGMP join reports will be dropped. If the action is set to replace, the switch randomly removes an existing group and
replaces it with the new multicast group. The IGMP Snooping Port Group Filtering Configuration screen in
Figure 4-8-8
appears.
Figure 4-8-8
IGMP Snooping Port Group Filtering Configuration Page Screenshot
The page includes the following fields:
Object
Description
Delete
Check to delete the entry. It will be deleted during the next save.
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Содержание IGSW-24040T
Страница 130: ...User s Manual of IGSW 24040T Figure 4 6 10 Port 1 Port 6 VLAN Configuration 130 ...
Страница 150: ...User s Manual of IGSW 24040T 150 Figure 4 7 10 MST1 MSTI Port Configuration Page Screenshot ...
Страница 156: ...User s Manual of IGSW 24040T Figure 4 8 2 Multicast Flooding Figure 4 8 3 IGMP Snooping Multicast Stream Control 156 ...
Страница 188: ...User s Manual of IGSW 24040T Figure 4 9 14 Voice VLAN Configuration Page Screenshot 188 ...
Страница 212: ...User s Manual of IGSW 24040T Figure 4 11 4 Network Access Server Configuration Page Screenshot 212 ...
Страница 249: ...User s Manual of IGSW 24040T Figure 4 12 1 Port Limit Control Configuration Overview Page Screenshot 249 ...
Страница 308: ...User s Manual of IGSW 24040T 308 ...
Страница 337: ...User s Manual of IGSW 24040T NAS No MVR No Voice VLAN No MSTP No Combined Enabled 1 All Disabled Untag This 1 No 337 ...
Страница 412: ...User s Manual of IGSW 24040T Example Show RADIUS statistics SWITCH security aaa statistics 412 ...
Страница 434: ...User s Manual of IGSW 24040T Parameters vid VLAN ID 1 4095 Default Setting disable 434 ...
Страница 465: ...User s Manual of IGSW 24040T Example Enable the mirror mode for port 1 4 SWITCH mirror mode 1 4 enable 465 ...