def METHOD_NAME():
    output = json.loads(r2.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
    expected = {
        "192.168.255.1": {
            "bgpState": "Established",
            "addressFamilyInfo": {
                "ipv4Unicast": {
                    "acceptedPrefixCounter": 4,
                }
            },
        }
    }
    return topotest.json_cmp(output, expected)