V3.8
OnTime Industrial Ethernet
U/R/T200 series Installation Guide
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detailed inspections of the packets sent and received on the sniff port. See
http://www.ethereal.com
for Ethereal download.
Press the ‘Set’ button after any changes performed on the port configuration parameters in
the Port configuration dialog.
4.11 IGMP snooping
The R/T200 switch supports Internet Group Management Protocol (IGMP) snooping (based
on IGMP v1 and IGMPv2). To enable IGMP snooping, tick the “Enable IGMP” box. The
“Multicast stop filter” option can also be ticked if you want the switch to set multicast stop
filters for multicast packets not being based on IP multicasting (IGMP). The switch can also
act as an IGMP Querier. The IGMP Querier operation of the switch is controlled by the “Auto
mode” and “Querier” parameters. The following combinations of these two parameters are
possible:
-
“Auto mode” e Querier enabled: the switch is able to act as an IGMP Querier
(IGMP server) and the IGMP Querier in the network is selected automatically. The
switch (with Querier support) in the network with the lowest IP address will be chosen as
the network Querier (i.e. IGMP focal point). Only one Querier will exist in the network if
all IGMP enabled switches and routers in the network have this configuration. This is
the default IGMP settings.
-
“Auto mode” e Querier disabled: same operation as above, but the switch
cannot act as an IGMP Querier.
-
“Auto mode” di Querier enabled: the switch will always act as an IGMP Querier.
Each switch/router will act as IGMP Querier if this configuration is used on each
switch/router in the network.
The interval between two IGMP query packets can also be set in the IP configuration tool.
Four intervals are possible: [12, 30, 70, 150] seconds.
The user can also specify the switch trunk ports in the IGMP snooping parameter section.
IGMP information is forwarded on the port towards the IGMP Querier and on the switch trunk
ports. It might be required that the user defines the trunk ports in a network where no
protocol for network redundancy is running (e.g. FRNT or STP), see the Operator Manual for
details about this.
Press the ‘Set’ button and then the ‘Reset’ button to restart the Switch after any changes
performed on the IGMP parameters.
4.12 VLAN
The R/T200 can be enabled for VLAN by ticking the “VLAN” tick box, while the “VLAN
configuration” dialog shows the VLAN parameters, see Figure 16. The following VLAN
parameters can be set:
-
Default VLAN per port, [White, Red, Blue, Green, Yellow, Brown, Pink]; the default
VLAN for a given port is the only VLAN available for the port if the end node connected
to the port is unable to send and receive tagged packets.
-
Additional VLANs per port.
-
The VLAN id’s is by default as follows
o
White VLAN id
= 1
o
Red VLAN id
= 2
o
Blue VLAN id
= 3