Table of Contents
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Chapter 1
Overview
Understanding SNMP Support
Understanding Trap Support
Understanding Supported MIBs
OL-1209-02
The VG248 supports SNMP versions 1 and 2, enabling you to perform the
following commands:
Get—Retrieve a specific node's value.
•
GetNext—Retrieve the first value present in the ordered tree whose node
•
succeeds the one specified.
GetBulk—Retrieve bounded number of values whose nodes succeed, in the
•
numerical ordering, the one specified. GetBulk is available only in SNMP v2.
Set—Set a specific value.
•
The VG248 generates the following general traps, as defined in RFC 1157:
•
Cold start—when the VG248 starts up and obtains an IP address
Warm start—when the VG248 changes IP addresses
•
•
Authentication failure—when an invalid community string is used
You must have set at least one network management station in order for the
VG248 to generate traps. See the
page 2-14
for details.
The VG248 supports the following MIBs.
RFC 1213
RFC 1213 is the basic MIB 2 specification which indicates the state of embedded
interfaces and statistics for network protocols.
The VG248 supports RFC 1213 with the following caveats:
•
ifAdminStatus for the Ethernet interface cannot be written, and it is fixed at
"up".
•
ifSpecificfor all interfaces returns as "0, 0".
atTable cannot be written.
•
Cisco VG248 Analog Phone Gateway Software Configuration Guide
"Configuring Trap Settings" section on
Supported Protocols
1-11
- Quick Links:
- Accessing Configuration Options
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