diff --git a/cmd/opera/launcher/config.go b/cmd/opera/launcher/config.go
index 693b6a749..388dca428 100644
--- a/cmd/opera/launcher/config.go
+++ b/cmd/opera/launcher/config.go
@@ -367,8 +367,11 @@ func mayMakeAllConfigs(ctx *cli.Context) (*config, error) {
 	if ctx.GlobalIsSet(FakeNetFlag.Name) {
 		_, num, _ := parseFakeGen(ctx.GlobalString(FakeNetFlag.Name))
 		cfg.Emitter = emitter.FakeConfig(num)
+		setBootnodes(ctx, []string{}, &cfg.Node)
 	} else {
-		setBootnodes(ctx, Bootnodes, &cfg.Node)
+		// "asDefault" means set network defaults
+		cfg.Node.P2P.BootstrapNodes = asDefault
+		cfg.Node.P2P.BootstrapNodesV5 = asDefault
 	}
 
 	// Load config file (medium priority)
diff --git a/cmd/opera/launcher/launcher.go b/cmd/opera/launcher/launcher.go
index be648105b..79f54fb16 100644
--- a/cmd/opera/launcher/launcher.go
+++ b/cmd/opera/launcher/launcher.go
@@ -281,8 +281,6 @@ func makeNode(ctx *cli.Context, cfg *config, genesisStore *genesisstore.Store) (
 	errlock.SetDefaultDatadir(cfg.Node.DataDir)
 	errlock.Check()
 
-	stack := makeConfigNode(ctx, &cfg.Node)
-
 	chaindataDir := path.Join(cfg.Node.DataDir, "chaindata")
 	if err := os.MkdirAll(chaindataDir, 0700); err != nil {
 		utils.Fatalf("Failed to create chaindata directory: %v", err)
@@ -298,6 +296,24 @@ func makeNode(ctx *cli.Context, cfg *config, genesisStore *genesisstore.Store) (
 	}
 	metrics.SetDataDir(cfg.Node.DataDir)
 
+	// substitute default bootnodes if requested
+	networkName := ""
+	if gdb.HasBlockEpochState() {
+		networkName = gdb.GetRules().Name
+	}
+	if len(networkName) == 0 && genesisStore != nil {
+		networkName = genesisStore.Header().NetworkName
+	}
+	if len(cfg.Node.P2P.BootstrapNodes) == len(asDefault) && cfg.Node.P2P.BootstrapNodes[0] == asDefault[0] {
+		bootnodes := Bootnodes[networkName]
+		if bootnodes == nil {
+			bootnodes = []string{}
+		}
+		setBootnodes(ctx, bootnodes, &cfg.Node)
+	}
+
+	stack := makeConfigNode(ctx, &cfg.Node)
+
 	valKeystore := valkeystore.NewDefaultFileKeystore(path.Join(getValKeystoreDir(cfg.Node), "validator"))
 	valPubkey := cfg.Emitter.Validator.PubKey
 	if key := getFakeValidatorKey(ctx); key != nil && cfg.Emitter.Validator.ID != 0 {
diff --git a/cmd/opera/launcher/params.go b/cmd/opera/launcher/params.go
index 2703b0a28..261276d8b 100644
--- a/cmd/opera/launcher/params.go
+++ b/cmd/opera/launcher/params.go
@@ -2,6 +2,7 @@ package launcher
 
 import (
 	"github.com/Fantom-foundation/lachesis-base/hash"
+	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/params"
 
 	"github.com/Fantom-foundation/go-opera/opera"
@@ -10,17 +11,24 @@ import (
 )
 
 var (
-	Bootnodes = []string{
-		"enode://03c70d4597d731ef182678b7664f2a4a3add07056f23d4e01aba86f066080d18fa13abbd2e13e9d4ea762a2715a983b5ac6151162d05ee0434f1847da1a626e9@34.242.220.16:5050",
-		"enode://01c64d1a9dd8a65c56f2d4e373795eb6efd27b714b2b5999363a42a0edc39d7417a431416ceb5c67b1a170983af109e8a15d0c2d44a2ac41ecfb5c23c1a1a48a@3.35.200.210:5050",
-		"enode://7044c88daa5df059e2f7a2667471a8149a5cf66e68643dcb86f399d48c4ff6475b73ee91486ea830d225f7f78a2fdf955208673da51c6852230c3a90a3701c06@3.1.103.70:5050",
-		"enode://594d26c2338566daca9391d73f1b1821bb0b454e6f3d48715116bf42f320924d569534c143b640feec8a8eaa137a0b822426fb62b52a90162270ea5868bdc37c@18.138.254.181:5050",
-		"enode://339e331912e5239a9e13eb82b47be58ea4d3946e91caa2992103a8d4f0226c1e86f9134822d5b238f25c9cbdd473f806caa8e4f8ef1748a6c66395f4bf0dd569@54.66.206.151:5050",
-		"enode://563b30428f48357f31c9d4906ca2f3d3815d663b151302c1ba9d58f3428265b554398c6fabf4b806a49525670cd9e031257c805375b9fdbcc015f60a7943e427@3.213.142.230:7946",
-		"enode://8b53fe4410cde82d98d28697d56ccb793f9a67b1f8807c523eadafe96339d6e56bc82c0e702757ac5010972e966761b1abecb4935d9a86a9feed47e3e9ba27a6@3.227.34.226:7946",
-		"enode://1703640d1239434dcaf010541cafeeb3c4c707be9098954c50aa705f6e97e2d0273671df13f6e447563e7d3a7c7ffc88de48318d8a3cc2cc59d196516054f17e@52.72.222.228:7946",
+	Bootnodes = map[string][]string{
+		"main": {
+			"enode://03c70d4597d731ef182678b7664f2a4a3add07056f23d4e01aba86f066080d18fa13abbd2e13e9d4ea762a2715a983b5ac6151162d05ee0434f1847da1a626e9@34.242.220.16:5050",
+			"enode://01c64d1a9dd8a65c56f2d4e373795eb6efd27b714b2b5999363a42a0edc39d7417a431416ceb5c67b1a170983af109e8a15d0c2d44a2ac41ecfb5c23c1a1a48a@3.35.200.210:5050",
+			"enode://7044c88daa5df059e2f7a2667471a8149a5cf66e68643dcb86f399d48c4ff6475b73ee91486ea830d225f7f78a2fdf955208673da51c6852230c3a90a3701c06@3.1.103.70:5050",
+			"enode://594d26c2338566daca9391d73f1b1821bb0b454e6f3d48715116bf42f320924d569534c143b640feec8a8eaa137a0b822426fb62b52a90162270ea5868bdc37c@18.138.254.181:5050",
+			"enode://339e331912e5239a9e13eb82b47be58ea4d3946e91caa2992103a8d4f0226c1e86f9134822d5b238f25c9cbdd473f806caa8e4f8ef1748a6c66395f4bf0dd569@54.66.206.151:5050",
+		},
+		"test": {
+			"enode://563b30428f48357f31c9d4906ca2f3d3815d663b151302c1ba9d58f3428265b554398c6fabf4b806a49525670cd9e031257c805375b9fdbcc015f60a7943e427@3.213.142.230:7946",
+			"enode://8b53fe4410cde82d98d28697d56ccb793f9a67b1f8807c523eadafe96339d6e56bc82c0e702757ac5010972e966761b1abecb4935d9a86a9feed47e3e9ba27a6@3.227.34.226:7946",
+			"enode://1703640d1239434dcaf010541cafeeb3c4c707be9098954c50aa705f6e97e2d0273671df13f6e447563e7d3a7c7ffc88de48318d8a3cc2cc59d196516054f17e@52.72.222.228:7946",
+		},
 	}
 
+	// asDefault is slice with one empty element which indicates that network default bootnodes should be substituted
+	asDefault = []*enode.Node{{}}
+
 	mainnetHeader = genesis.Header{
 		GenesisID:   hash.HexToHash("0x4a53c5445584b3bfc20dbfb2ec18ae20037c716f3ba2d9e1da768a9deca17cb4"),
 		NetworkID:   opera.MainNetworkID,
diff --git a/gossip/store_decided_state.go b/gossip/store_decided_state.go
index 50903a9f3..787092d77 100644
--- a/gossip/store_decided_state.go
+++ b/gossip/store_decided_state.go
@@ -69,6 +69,11 @@ func (s *Store) HasHistoryBlockEpochState(epoch idx.Epoch) bool {
 	return has
 }
 
+func (s *Store) HasBlockEpochState() bool {
+	has, _ := s.table.BlockEpochState.Has([]byte(sKey))
+	return has
+}
+
 // SetBlockEpochState stores the latest block and epoch state in memory
 func (s *Store) SetBlockEpochState(bs iblockproc.BlockState, es iblockproc.EpochState) {
 	bs, es = bs.Copy(), es.Copy()