Advanced DVB-S2 Receiver Operational Manual
SR1 Specifications
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Air (satellite) Interface: IP address of the SR1 CPU for IP packets received from the Satellite
link. Packets distained to the CPU air IP address will be delivered ONLY to the CPU and not
forwarded to the LAN.
Isolate Networks: Allow connecting or isolating the LAN and Management networks. Isolation
is done in the internal switch.
7.6.1 ARP Management
The ARP Management menu manages the behavior of the Traffic interface ARP learning
mechanism.
ARP Management
==============
1. ARP Configuration
2. ARP Cache Status
7.6.2 ARP Configuration
The ARP Configuration manages the ARP table of the SR1.
When SR1 has to forward a packet, that is in the subnet define by ARP table IP address and
ARP table IP Mask, it searches the destination IP in the ARP table and if found uses the
destination MAC form the table. If destination IP is not in the ARP table, the SR1 will generate
an ARP request. If ARP request fails, SR1 will use the default router.
ARP Configuration
=================
1. ARP Management Mode Automatic
2. ARP Period 10 seconds
3. ARP Timeout 5 seconds
4. Arp Table IP Address 172.23.45.23
5. Arp Table IP Mask 255.255.255.0
6. Router Ethernet Address 20-CF-30-C0-A3-BC
The ARP Configuration menu includes the following:
ARP Period – time interval that SR1 will send ARP request to refresh the MAC address of
default router
ARP Timeout – the time the SR1 wait from sending ARP request that was not replied to the
next request
Arp Table IP Address – IP address used to calculate if incoming packet is in the subnet of the
SR1, for the use of the ARP mechanism
Arp Table IP Mask – IP mask used to calculate if incoming packet is in the subnet of the SR1,
for the use of the ARP mechanism
Router Ethernet Address – The MAC address of the default router, as was detected by ARP
mechanism
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