TrafficPolicy: &networking.TrafficPolicy{
					ConnectionPool: &networking.ConnectionPoolSettings{
						Http: &networking.ConnectionPoolSettings_HTTPSettings{
							MaxRetries:        10,
							UseClientProtocol: true,
						},
					},
				},
			},
			expectedSubsetClusters: []*cluster.Cluster{},
		},
		{
			name:        "destination rule with maxRequestsPerConnection",

description: Maximum number of requests per connection to a backend. format: int32 type: integer maxRetries: description: Maximum number of retries that can be outstanding to all hosts in a cluster at a given time. format: int32 type: integer useClientProtocol: description: If set to true, client protocol will be preserved while initiating connection to backend. type: boolean type: object tcp: description: Settings common to both HTTP and TCP upstream connections. properties: connectTimeout: description:...

			errs = appendErrors(errs, agent.ValidateDuration(httpSettings.IdleTimeout))
		}
		if httpSettings.H2UpgradePolicy == networking.ConnectionPoolSettings_HTTPSettings_UPGRADE && httpSettings.UseClientProtocol {
			errs = appendErrors(errs, fmt.Errorf("use client protocol must not be true when H2UpgradePolicy is UPGRADE"))
		}
		if httpSettings.MaxConcurrentStreams < 0 {

kind: DestinationRule
metadata:
  name: use-client-protocol
spec:
  host: {{.VirtualServiceHost}}
  trafficPolicy:
    tls:
      mode: DISABLE
    connectionPool:
      http:
        useClientProtocol: true
---
`

func useClientProtocolDestinationRule(app string) string {
	return tmpl.MustEvaluate(useClientProtocolDestinationRuleTmpl, map[string]string{"VirtualServiceHost": app})
}

				ConnectionPool: &networking.ConnectionPoolSettings{
					Http: &networking.ConnectionPoolSettings_HTTPSettings{
						H2UpgradePolicy:   networking.ConnectionPoolSettings_HTTPSettings_UPGRADE,
						UseClientProtocol: true,
					},
				},
			},
			valid: false,
		},
	}
	for _, c := range cases {
		if got := validateTrafficPolicy(c.in).Err; (got == nil) != c.valid {