![background image](http://html1.mh-extra.com/html/racom/ripex/ripex_user-manual_3186409119.webp)
Queue size [kB]
Default = 5 [1 - 48]
Queue size dictates the total size of all records that can be held in the queue.
TX Buffer timeout
List box: Off, On
Default = Off
The frames waiting for transmission in the Radio protocol output frame queue will be
discarded after the TX Buffer timeout expires. This parameter should be enabled for
types of applications where sending old frames brings no benefit.
When the frame is discarded the event is recorded, both in the statistics (as "Rejected")
and in the monitoring (the respective frame is displayed with the "Tx buffer timeout"
tag).
TX Buffer timeout [s]
Default = 5 [0.01 – 150, Granularity 0.01s]
Radio protocol transmit buffer timeout. The "TX Buffer timeout" must be enabled for
this parameter to be initiated.
Others
Radio ARP timeout [min]
Default = 1440 [1=Min, 3579=Max]
Each IP device refreshes its ARP records within some timeout. Because of that, the
device transmits spontaneous ARP request packets to each IP address listed in its
ARP table. That may generate unwanted collisions on Radio channel. Since Radio
IP and MAC addresses are not changed during normal network operation, ARP table
refreshing may be done in a long period (1440 min. = 1 day).
The RipEX spontaneously transmits an ARP reply packet after each reboot. The ARP
reply packet transmission can be also invoked by executing Maintenance/Miscel-
laneous/BRC Radio MAC button.
ARP reply packet refreshes the respective records in neighbouring units. This is ne-
cessary e.g. when a RipEX unit has been replaced by a spare one with the same
Radio IP address.
Radio protocol
List box: Transparent, Flexible, Base driven
Possible values in list box are dependent on the Operating mode setting.
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© RACOM s.r.o. – RipEX Radio modem & Router
Advanced Configuration
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