diff --git a/cmd/frostfs-ir/defaults.go b/cmd/frostfs-ir/defaults.go
index 899918d22..9b775252f 100644
--- a/cmd/frostfs-ir/defaults.go
+++ b/cmd/frostfs-ir/defaults.go
@@ -48,6 +48,8 @@ func defaultConfiguration(cfg *viper.Viper) {
 	cfg.SetDefault("node.kludge_compatibility_mode", false)
 
 	cfg.SetDefault("audit.enabled", false)
+
+	setMultinetDefaults(cfg)
 }
 
 func setControlDefaults(cfg *viper.Viper) {
@@ -131,3 +133,11 @@ func setMorphDefaults(cfg *viper.Viper) {
 	cfg.SetDefault("morph.validators", []string{})
 	cfg.SetDefault("morph.switch_interval", 2*time.Minute)
 }
+
+func setMultinetDefaults(cfg *viper.Viper) {
+	cfg.SetDefault("multinet.enabled", false)
+	cfg.SetDefault("multinet.balancer", "")
+	cfg.SetDefault("multinet.restrict", false)
+	cfg.SetDefault("multinet.fallback_delay", "0s")
+	cfg.SetDefault("multinet.subnets", "")
+}
diff --git a/pkg/innerring/innerring.go b/pkg/innerring/innerring.go
index 53a07e36c..a4a52edec 100644
--- a/pkg/innerring/innerring.go
+++ b/pkg/innerring/innerring.go
@@ -9,6 +9,7 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/metrics"
+	internalNet "git.frostfs.info/TrueCloudLab/frostfs-node/internal/net"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring/config"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring/processors/alphabet"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring/processors/governance"
@@ -486,6 +487,12 @@ func createClient(ctx context.Context, p *chainParams, errChan chan<- error) (*c
 		return nil, fmt.Errorf("%s chain client endpoints not provided", p.name)
 	}
 
+	nc := parseMultinetConfig(p.cfg)
+	ds, err := internalNet.NewDialerSource(nc)
+	if err != nil {
+		return nil, fmt.Errorf("dialer source: %w", err)
+	}
+
 	return client.New(
 		ctx,
 		p.key,
@@ -498,6 +505,7 @@ func createClient(ctx context.Context, p *chainParams, errChan chan<- error) (*c
 		}),
 		client.WithSwitchInterval(p.cfg.GetDuration(p.name+".switch_interval")),
 		client.WithMorphCacheMetrics(p.morphCacheMetric),
+		client.WithDialerSource(ds),
 	)
 }
 
@@ -542,6 +550,27 @@ func parseWalletAddressesFromStrings(wallets []string) ([]util.Uint160, error) {
 	return extraWallets, nil
 }
 
+func parseMultinetConfig(cfg *viper.Viper) internalNet.Config {
+	nc := internalNet.Config{
+		Enabled:       cfg.GetBool("multinet.enabled"),
+		Balancer:      cfg.GetString("multinet.balancer"),
+		Restrict:      cfg.GetBool("multinet.restrict"),
+		FallbackDelay: cfg.GetDuration("multinet.fallback_delay"),
+	}
+	for i := 0; ; i++ {
+		mask := cfg.GetString(fmt.Sprintf("multinet.subnets.%d.mask", i))
+		if mask == "" {
+			break
+		}
+		sourceIPs := cfg.GetStringSlice(fmt.Sprintf("multinet.subnets.%d.source_ips", i))
+		nc.Subnets = append(nc.Subnets, internalNet.Subnet{
+			Prefix:    mask,
+			SourceIPs: sourceIPs,
+		})
+	}
+	return nc
+}
+
 func (s *Server) initConfigFromBlockchain() error {
 	// get current epoch
 	epoch, err := s.netmapClient.Epoch()
diff --git a/pkg/morph/client/constructor.go b/pkg/morph/client/constructor.go
index 3bf4a7234..2cdf6adad 100644
--- a/pkg/morph/client/constructor.go
+++ b/pkg/morph/client/constructor.go
@@ -158,12 +158,10 @@ func (c *Client) newCli(ctx context.Context, endpoint Endpoint) (*rpcclient.WSCl
 		return nil, nil, fmt.Errorf("read mtls certificates: %w", err)
 	}
 	var netDialContext func(ctx context.Context, network, addr string) (net.Conn, error)
-	if c.cfg.dialerSource != nil { // TODO fix after IR
-		d, enabled := c.cfg.dialerSource.Dialer()
-		if enabled {
-			netDialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
-				return d.DialContext(ctx, network, addr)
-			}
+	d, enabled := c.cfg.dialerSource.Dialer()
+	if enabled {
+		netDialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
+			return d.DialContext(ctx, network, addr)
 		}
 	}
 	cli, err := rpcclient.NewWS(ctx, endpoint.Address, rpcclient.WSOptions{