PortValue: uint32(0),
						},
					},
				}
				extraSrcAddrs = append(extraSrcAddrs, extraSrcAddr)
			}
			localCluster.cluster.UpstreamBindConfig.ExtraSourceAddresses = extraSrcAddrs
		}
	}
	return localCluster
}

// buildInboundPassthroughCluster builds passthrough cluster for inbound.
func (cb *ClusterBuilder) buildInboundPassthroughCluster() *cluster.Cluster {

				if c.expectedExtraSrcAddr != "" {
					g.Expect(len(cluster.UpstreamBindConfig.ExtraSourceAddresses)).To(Equal(1))
					g.Expect(cluster.UpstreamBindConfig.ExtraSourceAddresses[0].Address.Address).To(Equal(c.expectedExtraSrcAddr))
				} else {
					g.Expect(len(cluster.UpstreamBindConfig.ExtraSourceAddresses)).To(Equal(0))
				}

			}
		})
	}
}