diff --git a/clients/op-erigon/entrypoint.sh b/clients/op-erigon/entrypoint.sh
index 72026ea8f6..c701cd03b9 100644
--- a/clients/op-erigon/entrypoint.sh
+++ b/clients/op-erigon/entrypoint.sh
@@ -34,6 +34,11 @@ sleep 1
 # We check for env variables that may not be bound so we need to disable `set -u` for this section.
 EXTRA_FLAGS=""
 set +u
+if [ "$HIVE_OP_EXEC_DISABLE_TX_GOSSIP" != "" ]; then
+    EXTRA_FLAGS="$EXTRA_FLAGS --rollup.disabletxpoolgossip=$HIVE_OP_EXEC_DISABLE_TX_GOSSIP"
+else
+    EXTRA_FLAGS="$EXTRA_FLAGS --rollup.disabletxpoolgossip=true"
+fi
 if [ "$HIVE_OP_GETH_SEQUENCER_HTTP" != "" ]; then
     EXTRA_FLAGS="$EXTRA_FLAGS --rollup.sequencerhttp $HIVE_OP_GETH_SEQUENCER_HTTP"
 fi
diff --git a/simulators/optimism/p2p/main.go b/simulators/optimism/p2p/main.go
index 8eb526e319..0cee942f1b 100644
--- a/simulators/optimism/p2p/main.go
+++ b/simulators/optimism/p2p/main.go
@@ -43,7 +43,11 @@ func main() {
 		Description: `This test verifies that tx gossiping works`,
 		Run:         func(t *hivesim.T) { txGossipingTest(t) },
 	})
-
+	suite.Add(&hivesim.TestSpec{
+		Name:        "tx gossip disabling",
+		Description: `This test verifies that tx gossip disabling works`,
+		Run:         func(t *hivesim.T) { txGossipingDisableTest(t) },
+	})
 	sim := hivesim.New()
 	hivesim.MustRunSuite(sim, suite)
 }
@@ -59,11 +63,11 @@ func txGossipingTest(t *hivesim.T) {
 	d.AddEth1()
 	d.WaitUpEth1(0, time.Second*10)
 
-	d.AddOpL2()
+	d.AddOpL2(hivesim.Params{"HIVE_OP_EXEC_DISABLE_TX_GOSSIP": "false"})
 	d.AddOpNode(0, 0, false)
 	seqNode := d.GetOpL2Engine(0)
 
-	d.AddOpL2()
+	d.AddOpL2(hivesim.Params{"HIVE_OP_EXEC_DISABLE_TX_GOSSIP": "false"})
 	d.AddOpNode(0, 1, false)
 	verifNode := d.GetOpL2Engine(1)
 	verifClient := verifNode.EthClient()
@@ -118,6 +122,108 @@ func txGossipingTest(t *hivesim.T) {
 	t.Log("found gossiped transaction on sequencer")
 }
 
+// txGossipingDisableTest verifies that a transaction submitted to a replica execution client
+// with tx gossiping disabled does not show up on the sequencer tx pool. After that, submit
+// transaction to sequencer which tx gossip enabled, and test tx does not show up at replica.
+func txGossipingDisableTest(t *hivesim.T) {
+	d := optimism.NewDevnet(t)
+	sender := d.L2Vault.GenerateKey()
+	receiver := d.L2Vault.GenerateKey()
+
+	d.InitChain(30, 4, 30, core.GenesisAlloc{sender: {Balance: big.NewInt(params.Ether)}})
+	d.AddEth1()
+	d.WaitUpEth1(0, time.Second*10)
+
+	d.AddOpL2(hivesim.Params{"HIVE_OP_EXEC_DISABLE_TX_GOSSIP": "false"})
+	d.AddOpNode(0, 0, false)
+
+	seqNode := d.GetOpL2Engine(0)
+	seqClient := seqNode.EthClient()
+
+	d.AddOpL2(hivesim.Params{"HIVE_OP_EXEC_DISABLE_TX_GOSSIP": "true"})
+	d.AddOpNode(0, 1, false)
+	verifNode := d.GetOpL2Engine(1)
+	verifClient := verifNode.EthClient()
+
+	var wg sync.WaitGroup
+	wg.Add(2)
+
+	go func() {
+		d.WaitUpOpL2Engine(0, time.Second*10)
+		wg.Done()
+	}()
+	go func() {
+		d.WaitUpOpL2Engine(1, time.Second*10)
+		wg.Done()
+	}()
+
+	t.Log("waiting for nodes to come up")
+	wg.Wait()
+
+	t.Logf("peering execution clients %s with %s", seqNode.IP.String(), verifNode.IP.String())
+	seqNodeExtended := &optimism.OpL2EngineExtended{OpL2Engine: seqNode}
+	verifNodeExtended := &optimism.OpL2EngineExtended{OpL2Engine: verifNode}
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	require.NoError(t, seqNodeExtended.ConnectPeer(ctx, verifNodeExtended))
+
+	nonce := uint64(0)
+	baseTx := types.NewTx(&types.DynamicFeeTx{
+		ChainID:   optimism.L2ChainIDBig,
+		Nonce:     nonce,
+		To:        &receiver,
+		Gas:       75000,
+		GasTipCap: big.NewInt(10 * params.GWei),
+		GasFeeCap: big.NewInt(20 * params.GWei),
+		Value:     big.NewInt(0.0001 * params.Ether),
+	})
+
+	tx, err := d.L2Vault.SignTransaction(sender, baseTx)
+	require.Nil(t, err)
+	ctx, cancel = context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	require.NoError(t, verifClient.SendTransaction(ctx, tx))
+	t.Log("sent tx to verifier. Give some time to check tx gossiping is disabled")
+
+	<-time.After(10 * time.Second)
+
+	ctx, cancel = context.WithTimeout(context.Background(), 180*time.Second)
+	defer cancel()
+	found, _ := optimism.WaitPendingTransactionFromTxPool(ctx, seqNodeExtended, sender, tx)
+	if found {
+		t.Fatal("transaction gossiped")
+	}
+	t.Log("transaction not gossiped on sequencer")
+
+	nonce += 1
+	baseTx2 := types.NewTx(&types.DynamicFeeTx{
+		ChainID:   optimism.L2ChainIDBig,
+		Nonce:     nonce,
+		To:        &receiver,
+		Gas:       75000,
+		GasTipCap: big.NewInt(10 * params.GWei),
+		GasFeeCap: big.NewInt(20 * params.GWei),
+		Value:     big.NewInt(0.0001 * params.Ether),
+	})
+
+	tx2, err := d.L2Vault.SignTransaction(sender, baseTx2)
+	require.Nil(t, err)
+	ctx, cancel = context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	require.NoError(t, seqClient.SendTransaction(ctx, tx2))
+	t.Log("sent tx to sequencer. Give some time to check tx gossiping is disabled")
+
+	<-time.After(10 * time.Second)
+
+	ctx, cancel = context.WithTimeout(context.Background(), 180*time.Second)
+	defer cancel()
+	found2, _ := optimism.WaitPendingTransactionFromTxPool(ctx, verifNodeExtended, sender, tx2)
+	if found2 {
+		t.Fatal("transaction gossiped")
+	}
+	t.Log("transaction not gossiped on validator")
+}
+
 // txForwardingTest verifies that a transaction submitted to a replica with tx forwarding enabled shows up on the sequencer.
 // TODO: The transaction shows up with `getTransaction`, but it remains pending and is not mined for some reason.
 // This is weird, but fine because it still shows that the transaction is received by the sequencer.