diff --git a/op-devstack/shim/l2_cl.go b/op-devstack/shim/l2_cl.go
index 16c4839fb22ae..bcf02f783553f 100644
--- a/op-devstack/shim/l2_cl.go
+++ b/op-devstack/shim/l2_cl.go
@@ -14,6 +14,8 @@ type L2CLNodeConfig struct {
 	ID     stack.L2CLNodeID
 	Client client.RPC
 
+	UserRPC string
+
 	InteropEndpoint  string
 	InteropJwtSecret eth.Bytes32
 }
@@ -26,6 +28,8 @@ type rpcL2CLNode struct {
 	p2pClient    apis.P2PClient
 	els          locks.RWMap[stack.L2ELNodeID, stack.L2ELNode]
 
+	userRPC string
+
 	// Store interop ws endpoints and secrets to provide to the supervisor,
 	// when reconnection happens using the supervisor's admin_addL2RPC method.
 	// These fields are not intended for manual dial-in or initializing client.RPC
@@ -44,6 +48,7 @@ func NewL2CLNode(cfg L2CLNodeConfig) stack.L2CLNode {
 		client:           cfg.Client,
 		rollupClient:     sources.NewRollupClient(cfg.Client),
 		p2pClient:        sources.NewP2PClient(cfg.Client),
+		userRPC:          cfg.UserRPC,
 		interopEndpoint:  cfg.InteropEndpoint,
 		interopJwtSecret: cfg.InteropJwtSecret,
 	}
@@ -73,6 +78,10 @@ func (r *rpcL2CLNode) ELs() []stack.L2ELNode {
 	return stack.SortL2ELNodes(r.els.Values())
 }
 
+func (r *rpcL2CLNode) UserRPC() string {
+	return r.userRPC
+}
+
 func (r *rpcL2CLNode) InteropRPC() (endpoint string, jwtSecret eth.Bytes32) {
 	return r.interopEndpoint, r.interopJwtSecret
 }
diff --git a/op-devstack/stack/l2_cl.go b/op-devstack/stack/l2_cl.go
index 062fbd20e1748..e5e5b042b3433 100644
--- a/op-devstack/stack/l2_cl.go
+++ b/op-devstack/stack/l2_cl.go
@@ -77,6 +77,7 @@ type L2CLNode interface {
 	RollupAPI() apis.RollupClient
 	P2PAPI() apis.P2PClient
 	InteropRPC() (endpoint string, jwtSecret eth.Bytes32)
+	UserRPC() string
 
 	// ELs returns the engine(s) that this L2CLNode is connected to.
 	// This may be empty, if the L2CL is not connected to any.
diff --git a/op-devstack/sysext/l2.go b/op-devstack/sysext/l2.go
index 24a2ca8d5936b..571c60fda2bb9 100644
--- a/op-devstack/sysext/l2.go
+++ b/op-devstack/sysext/l2.go
@@ -119,11 +119,40 @@ func (o *Orchestrator) hydrateL2ELCL(node *descriptors.Node, l2Net stack.Extensi
 	clService, ok := node.Services[CLServiceName]
 	require.True(ok, "need L2 CL service for chain", l2ID)
 
+	var endpointString string
+	// Parse the endpoint from the service descriptor.
+	for proto, endpoint := range clService.Endpoints {
+		if proto == RPCProtocol {
+			port := endpoint.Port
+			if o.usePrivatePorts {
+				port = endpoint.PrivatePort
+			}
+			scheme := endpoint.Scheme
+			if scheme == "" {
+				scheme = HTTPProtocol
+			}
+			host := endpoint.Host
+			path := ""
+			if strings.Contains(host, "/") {
+				parts := strings.SplitN(host, "/", 2)
+				host = parts[0]
+				path = "/" + parts[1]
+			}
+			endpointString = fmt.Sprintf("%s://%s:%d%s", scheme, host, port, path)
+			break
+		}
+	}
+
+	require.NotEmpty(endpointString, "no endpoint found for CL service", clService.Name)
+
+	l2Net.Logger().Info("Found endpoint for CL service", "endpoint", endpointString)
+
 	clClient := o.rpcClient(l2Net.T(), clService, RPCProtocol, "/", opts...)
 	l2CL := shim.NewL2CLNode(shim.L2CLNodeConfig{
 		ID:           stack.NewL2CLNodeID(clService.Name, l2ID.ChainID()),
 		CommonConfig: shim.NewCommonConfig(l2Net.T()),
 		Client:       clClient,
+		UserRPC:      endpointString,
 	})
 	l2Net.AddL2CLNode(l2CL)
 	l2CL.(stack.LinkableL2CLNode).LinkEL(l2EL)
diff --git a/op-devstack/sysgo/l2_cl_kona.go b/op-devstack/sysgo/l2_cl_kona.go
index f1951dfab7618..d0640c4742518 100644
--- a/op-devstack/sysgo/l2_cl_kona.go
+++ b/op-devstack/sysgo/l2_cl_kona.go
@@ -54,6 +54,7 @@ func (k *KonaNode) hydrate(system stack.ExtensibleSystem) {
 		CommonConfig:     shim.NewCommonConfig(system.T()),
 		ID:               k.id,
 		Client:           rpcCl,
+		UserRPC:          k.userRPC,
 		InteropEndpoint:  k.interopEndpoint,
 		InteropJwtSecret: k.interopJwtSecret,
 	})
@@ -107,7 +108,7 @@ func (k *KonaNode) Start() {
 	k.p.Require().NoError(err, "Must start")
 
 	var userRPCAddr string
-	k.p.Require().NoError(tasks.Await(k.p.Ctx(), userRPC, &k.userRPC), "need user RPC")
+	k.p.Require().NoError(tasks.Await(k.p.Ctx(), userRPC, &userRPCAddr), "need user RPC")
 
 	k.userProxy.SetUpstream(ProxyAddr(k.p.Require(), userRPCAddr))
 }
@@ -197,7 +198,7 @@ func WithKonaNode(l2CLID stack.L2CLNodeID, l1CLID stack.L1CLNodeID, l1ELID stack
 			//p.Require().NoError(err, os.WriteFile(tempSeqKeyPath, []byte(p2pKeyHex), 0o644))
 			envVars = append(envVars,
 				"KONA_NODE_P2P_SEQUENCER_KEY="+p2pKeyHex,
-				"KONA_NODE_SEQUENCER_L1_CONFS=0",
+				"KONA_NODE_SEQUENCER_L1_CONFS=2",
 				"KONA_NODE_MODE=Sequencer",
 			)
 		} else {
diff --git a/op-devstack/sysgo/l2_cl_opnode.go b/op-devstack/sysgo/l2_cl_opnode.go
index d290496a57cfe..9fab9be3ca0c5 100644
--- a/op-devstack/sysgo/l2_cl_opnode.go
+++ b/op-devstack/sysgo/l2_cl_opnode.go
@@ -65,6 +65,7 @@ func (n *OpNode) hydrate(system stack.ExtensibleSystem) {
 		CommonConfig:     shim.NewCommonConfig(system.T()),
 		ID:               n.id,
 		Client:           rpcCl,
+		UserRPC:          n.userRPC,
 		InteropEndpoint:  n.interopEndpoint,
 		InteropJwtSecret: n.interopJwtSecret,
 	})