manager.removeChannel(channel);
        failoverStates.remove(channel.getChannelId());

        // Try to establish a replacement channel
        manager.establishReplacementChannel();
    }

    /**
     * State tracking for channel failover
     */
    public static class FailoverState {

        private final String channelId;
        private final long failureTime;

        } catch (Exception e) {
            log.debug("Error disconnecting removed channel", e);
        }
    }

    /**
     * Establish a replacement channel
     */
    public void establishReplacementChannel() {
        if (!multiChannelEnabled)
            return;

        try {
            int currentChannels = channels.size();
            if (currentChannels < maxChannels && canEstablishMoreChannels()) {

        
        manager.removeChannel(channel);
        failoverStates.remove(channel.getChannelId());
        
        // Try to establish a replacement channel
        manager.establishReplacementChannel();
    }
}
```

## 5. Integration with Existing Code

### 5.1 Session Integration
```java
// In SmbSession.java
private ChannelManager channelManager;