**Describe the issue**
```
remote_servers.play.shard.replica.port
```

Should use server's TCP port by default.
const String & cluster_name) : name(cluster_name)
{
    auto config_prefix = config_prefix_ + "." + cluster_name;
    Poco::Util::AbstractConfiguration::Keys config_keys;
    config.keys(config_prefix, config_keys);
    config_prefix += ".";
    secret = config.getString(config_prefix + "secret", "");
    boost::range::remove_erase(config_keys, "secret");
    if (config_keys.empty())
        throw Exception("No cluster elements (shard, node) specified in config at path " + config_prefix, ErrorCodes::SHARD_HAS_NO_CONNECTIONS);
    UInt32 current_shard_num = 1;
    for (const auto & key : config_keys)
    {
        if (startsWith(key, "node"))
        {
            
            Addresses addresses;
            const auto & prefix = config_prefix + key;
            const auto weight = config.getInt(prefix + ".weight", default_weight);
            addresses.emplace_back(config, prefix, cluster_name, secret, current_shard_num, 1);
            const auto & address = addresses.back();
            ShardInfo info;
            info.shard_num = current_shard_num;
            info.weight = weight;
            if (address.is_local)
                info.local_addresses.push_back(address);
            auto pool = ConnectionPoolFactory::instance().get(
                settings.distributed_connections_pool_size,
                address.host_name, address.port,
                address.default_database, address.user, address.password,