Mocomtech CIM-550 - Manual (Page 240)

CiM-550 IP Enabled Satellite Modem Rev. 2
SNMP interface CD/CIM550.IOM
214
13.2.2 I NTERFACE G ROUP
This group provides the number of interfaces on a managed device and a table describing
all interfaces.
The ifNumber OID is the number of network interfaces present on this system. On a
cim550 the ifNumber should be 3 corresponding to the Ethernet, Satellite, and Loopback
interfaces.
13.2.2.1 T
HE
I
NTERFACES
T
ABLE
Table 13-4. Interfaces Table OIDs
OID Description
ifIndex Unique value for each interface. The cim550 gives the Ethernet,
Satellite, and Loopback interfaces a value of 1, 2, or 3.
ifDescr Textual string containing information about the interface. The
Ethernet interface is “fei0”. The Loopback interface is “lo0”. The
Satellite interface is “hdl1”.
ifType Link protocol for the interface. The Ethernet interface is set to
ethernet-csmacd(6). The Loopback interface is set to
softwareLoopback(24). The Satellite Interface is
propPointToPointSerial(22).
ifMtu Size of the largest datagram which can be sent/received on the
interface, specified in octets. For the Ethernet and Satellite
Interfaces, the MTU is 1500.
ifSpeed Estimate of the interface's current bandwidth in bits per second.
The Ethernet Interface can be set to ether 100000000 (100 Mbps)
or 10000000 (10 Mbps). If the Ethernet driver is set to “Auto” then
100000000 will be returned. The Satellite Interface’s ifSpeed
corresponds to the data rate of the transmitter only. The
transmitter’s ifSpeed can range from 2400 (2.4 Kbps) to 2048000
(2.048 Mbps). If the cim550 is a Demod-Only then ifSpeed will be
zero.
ifPhyAddress Interface's address at the datalink layer. For the Ethernet Interface
this corresponds to the MAC address (6 bytes). For the Satellite
and Loopback Interface this value is undefined.
ifAdminSate Desired state of the interface. For the cim550, the interfaces
cannot be changed from an up(1) status.
ifOperState Current operational state of the interface. For the cim550, the
interfaces will remain in an up(1) status.
ifLastChange Value of sysUpTime at the time the interface entered its current
operational state. For the cim550, this will remain zero,
corresponding to boot time.
ifInOctets Total number of octets received on the interface. This statistic is
counted for both the Ethernet and Satellite interfaces.