Ifmtu: (read-only), Ifspeed: (read-only), Ifphysaddress: (read-only) – Verilink PRISM 41TDM (34-00275.4) Product Manual User Manual
Page 64: Ifadminstatus: (read-write)

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A
PPENDIX
A: SNMP A
GENT
eon(25) - CLNP over IP [11]
ethernet-3Mbit(26)
nsip(27) - XNS over IP
slip(28) - generic SLIP
ultra(29) - ULTRA technologies
ds3(30) - T-3
sip(31) - SMDS
frame-relay(32)
ifMtu: (read-only)
The size of the largest datagram which can be sent/received on the interface,
specified in octets. For interfaces that are used for transmitting network datagrams,
this is the size of the largest network datagram that can be sent on the interface.
296 - returned for the SLIP Interface
1500 - returned for the NIC interface (if Ethernet)
2000 - returned for the NIC interface (if Token Ring)
0 - returned for the DDS and Port 1 interfaces
ifSpeed: (read-only)
An estimate of the interface's current bandwidth in bits per second. For interfaces
which do not vary in bandwidth or for those where no accurate estimation can be
made, this object should contain the nominal bandwidth.
9600 - returned for the SLIP Interface at 9600 baud
19200 - returned for the SLIP Interface at 19200 baud
38400 - returned for the SLIP Interface at 38400 baud
56000 - returned for the SLIP Interface at 56000 baud
10000000 - returned for the NIC (if Ethernet)
4000000 - returned for the NIC (if Token Ring at 4 Mbps)
16000000 - returned for the NIC (if Token Ring at 16 Mbps)
ifPhysAddress: (read-only)
The interface's address at the protocol layer immediately ‘below' the network layer
in the protocol stack. For interfaces which do not have such an address (e.g., a
serial line), this object should contain an octet string of zero length. One exception
is the NIC interface which returns the physical address of the unit.
ifAdminStatus: (read-write)
The desired state of the interface. The testing(3) state indicates that no operational
packets can be passed. For the PRISM 41TDM, you do not have write permission.
up(1) - Ready to pass packets