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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| No
| Win32s
| No
| Import Library
| mgmtapi.lib
| Header File
| mgmtapi.h
| Unicode
| No
| Platform Notes
| None
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SnmpMgrOpen
The SnmpMgrOpen function initializes communications sockets and data structures, allowing
communications with the specified agent.
LPSNMP_MGR_SESSION SnmpMgrOpen(
LPSTR lpAgentAddress,
| // name and address of target SNMP agent
| LPSTR lpAgentCommunity,
| // community for target SNMP agent
| INT nTimeOut,
| // communication time-out in milliseconds
| INT nRetries
| // communication time-out or retry count
| );
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Parameters
lpAgentAddress
[in] Points to a null-terminated string specifying either a dotted-decimal IP
address or a host name that can be resolved to an IP address, an IPX address
(in 8.12 notation), or an ethernet address.
lpAgentCommunity
[in] Points to a null-terminated string specifying the SNMP community name
used when communicating with the agent specified in the lpAgentAddress parameter.
nTimeOut
[in] Specifies the communications time-out in milliseconds.
nRetries
[in] Specifies the communications retry count. The time-out specified in the nTimeOut parameter is doubled each time a retry attempt is transmitted.
Return Values
If the function succeeds, the return value is a pointer to an LPSNMP_MGR_SESSION structure. This structure is used internally and the programmer should not
alter it.
If the function fails, the return value is NULL. To get extended error
information, call GetLastError. GetLastError may return the SNMP_MEM_ALLOC_ERROR error code, which indicates a memory
allocation error.
This function may also return Windows Sockets error codes.
The name and address of the SNMP target, or the string pointed to by the lpAgentAddress parameter, should conform to one of the following forms:
Name/Address
| Form (example)
| IP Address
| 157.57.8.160
| IP Hostname
| merlin.microsoft.com
| Ethernet Address
| 00aa00bbccdd
| IPX Address
| 00006112.00aa00bbccdd
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Remarks
Names can be provided for agents only if TCP/IP is loaded and the names are
TCP/IP host names. NetBIOS names cannot be supplied for IPX hosts.
See Also
SnmpMgrClose, SnmpMgrRequest
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