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SNMP MIB Objects
E-4
3162-A2-GB20-40August 2000
Interface Group – “ifIndex” Object (ifEntry 1)
This object provides the index into the ifTable and typically into tables in other
MIBs also. The values of the ifIndex object do not vary between models even
though not all indexes are supported for a particular model. When an
unsupported index is accessed, “noSuchName” is returned.
The following are the values of the ifIndexes for all DSU/CSU models:
H 1–Net T1
H 2–DTE T1
H 3–COM port
H 4–Modem port
H 5–Auxiliary RS-232 port
H 6–DCE port 1
H 7–DCE port 2
H 8–DCE port 3
H 9–DCE port 4
The supported ifIndexes for the 3162 DSU/CSU are:
H Net T1
H DTE T1
H COM port
H DCE port 1
H DCE port 2
Interface Group – “ifDescr” Object (ifEntry 2)
This object provides information about the interface. Each interface displays a
text string as shown below:
Network T1: “Network T1. [Company Name] T1 DSU/CSU, Hardware
Version: [CCA number]”.
DTE T1: “DTE T1. [Company Name] T1 DSU/CSU, Hardware
Version: [CCA number]”.
COM: “COM port. [Company Name] T1 DSU/CSU, Hardware
Version: [CCA number]”.
Data Ports: “Data Port n. [Company Name] T1 DSU/CSU, Hardware
Version: [CCA number]” (where n is 1 or 2).