if ( this.transportContext.getConfig().getNetbiosCachePolicy() == 0 ) {
            return;
        }
        long expiration = -1;
        if ( this.transportContext.getConfig().getNetbiosCachePolicy() != SmbConstants.FOREVER ) {
            expiration = System.currentTimeMillis() + this.transportContext.getConfig().getNetbiosCachePolicy() * 1000;
        }
        cacheAddress(hostName, addr, expiration);

        return this.delegate.getNetbiosRcvBufSize();
    }


    /**
     * {@inheritDoc}
     * 
     * @see jcifs.Configuration#getNetbiosCachePolicy()
     */
    @Override
    public int getNetbiosCachePolicy () {
        return this.delegate.getNetbiosCachePolicy();
    }


    /**
     * {@inheritDoc}
     * 
     * @see jcifs.Configuration#getTransactionBufferSize()
     */

        return this.netbiosSocketTimeout;
    }


    @Override
    public String getNetbiosScope () {
        return this.netbiosScope;
    }


    @Override
    public int getNetbiosCachePolicy () {
        return this.netbiosCachePolicy;
    }


    @Override
    public int getNetbiosRcvBufSize () {
        return this.netbiosRevcBufferSize;
    }


    @Override

     * 
     * Property <tt>jcifs.netbios.cachePolicy</tt> in minutes (int, default 600)
     * 
     * @return netbios cache timeout, in seconds, 0 - disable caching, -1 - cache forever
     */
    int getNetbiosCachePolicy ();


    /**
     * 
     * @return the maximum size of IO buffers, limits the maximum message size
     */
    int getMaximumBufferSize ();


    /**
     *