import jcifs.SmbTransport;
import jcifs.internal.CommonServerMessageBlock;

/**
 * Handles failover and recovery for multi-channel connections
 */
public class ChannelFailover {

    private static final Logger log = LoggerFactory.getLogger(ChannelFailover.class);

    private final ChannelManager manager;
    private final ExecutorService executor;
    private final ConcurrentMap<String, FailoverState> failoverStates;

    @Mock
    private SmbTransport mockNewTransport;

    @Mock
    private CommonServerMessageBlock mockOperation;

    private ChannelFailover failover;
    private ChannelInfo failedChannel;

    @BeforeEach
    void setUp() throws UnknownHostException {
        failover = new ChannelFailover(mockChannelManager);

        InetAddress addr = InetAddress.getByName("192.168.1.100");

```java
package jcifs.internal.smb2.multichannel;

import java.util.concurrent.*;

public class ChannelFailover {
    private final ChannelManager manager;
    private final ExecutorService executor;
    private final Map<String, FailoverState> failoverStates;
    
    public ChannelFailover(ChannelManager manager) {
        this.manager = manager;
        this.executor = Executors.newCachedThreadPool();

        assertTrue(channel.getLastActivityTime() > 0);
    }

    @Test
    void testChannelFailover() throws Exception {
        // Test failover mechanism
        ChannelFailover failover = new ChannelFailover(channelManager);

        // Create a channel
        InetAddress addr = InetAddress.getByName("192.168.1.100");
        NetworkInterfaceInfo nic = new NetworkInterfaceInfo(addr, 445);

    private final List<NetworkInterfaceInfo> remoteInterfaces;
    private final ScheduledExecutorService scheduler;
    private final ChannelLoadBalancer loadBalancer;
    private final ChannelFailover failover;

    private volatile boolean multiChannelEnabled;
    private final int maxChannels;
    private final AtomicInteger channelCounter;

    /**
     * Create channel manager
     *

├── ChannelSequence.java          - Request sequencing across channels
├── NetworkInterfaceInfo.java     - Network interface discovery
├── ChannelLoadBalancer.java      - Load distribution logic
└── ChannelFailover.java         - Channel failure handling
```

#### 3.2 Implementation Tasks
- [ ] Implement FSCTL_QUERY_NETWORK_INTERFACE_INFO
- [ ] Create channel binding hash calculation