<div class="content"><p>The <b>MIB_IFSTATUS</b> structure stores status information
for a specific interface.</p><dl>
<dd>
<div><pre> typedef struct _MIB_IFSTATUS {
   DWORD dwIfIndex;
   DWORD dwAdminStatus;
   DWORD dwOperationalStatus;
   BOOL bMHbeatActive;
   BOOL bMHbeatAlive;
 } MIB_IFSTATUS,
  *PMIB_IFSTATUS;
</pre></div>
</dd></dl><p><b>dwIfIndex: </b>The index that identifies the
interface.</p><p><b>dwAdminStatus: </b>The administrative status of
the interface, that is, whether the interface is administratively enabled or
disabled.</p><p><b>dwOperationalStatus: </b>The operational status of
the interface. This member can be one of the values defined in <a href="3286822c-7051-40a9-b448-8f5cc5236b97" data-linktype="relative-path"><b>ROUTER_CONNECTION_STATE (section 2.2.1.1.2)</b></a>.
</p><p><b>bMHbeatActive: </b>Specifies whether multicast
heartbeat detection is enabled. A value of TRUE indicates that heartbeat
detection is enabled. A value of FALSE indicates that heartbeat detection is
disabled.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>TRUE</p>
  </td>
  <td>
  <p>Heartbeat detection is enabled.</p>
  </td>
 </tr><tr>
  <td>
  <p>FALSE</p>
  </td>
  <td>
  <p>Heartbeat detection is disabled.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>bMHbeatAlive: </b>Specifies whether the multicast
heartbeat dead interval has been exceeded. A value of FALSE indicates that the
interval has been exceeded. A value of TRUE indicates that the interval has not
been exceeded.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>TRUE</p>
  </td>
  <td>
  <p>Heartbeat dead interval has not been exceeded.</p>
  </td>
 </tr><tr>
  <td>
  <p>FALSE</p>
  </td>
  <td>
  <p>Heartbeat dead interval has been exceeded.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p> </p></div>