diff --git a/beacon_chain/conf.nim b/beacon_chain/conf.nim
index 27dc84c74..37e5b69db 100644
--- a/beacon_chain/conf.nim
+++ b/beacon_chain/conf.nim
@@ -623,6 +623,11 @@ type
         desc: "Experimental, debug option; could disappear at any time without warning"
         name: "temporary-debug-trusted-setup-file" .}: Option[string]
 
+      bandwidthEstimate* {.
+        hidden
+        desc: "Bandwidth estimate for the node (bits per second)"
+        name: "debug-bandwidth-estimate" .}: Option[Natural]
+
     of BNStartUpCmd.wallets:
       case walletsCmd* {.command.}: WalletsCmd
       of WalletsCmd.create:
diff --git a/beacon_chain/conf_light_client.nim b/beacon_chain/conf_light_client.nim
index 51b63ff73..f5228ade0 100644
--- a/beacon_chain/conf_light_client.nim
+++ b/beacon_chain/conf_light_client.nim
@@ -145,6 +145,11 @@ type LightClientConf* = object
     desc: "A file containing the hex-encoded 256 bit secret key to be used for verifying/generating JWT tokens"
     name: "jwt-secret" .}: Option[InputFile]
 
+  bandwidthEstimate* {.
+    hidden
+    desc: "Bandwidth estimate for the node (bits per second)"
+    name: "debug-bandwidth-estimate" .}: Option[Natural]
+
   # Testing
   stopAtEpoch* {.
     hidden
diff --git a/beacon_chain/networking/eth2_network.nim b/beacon_chain/networking/eth2_network.nim
index ae79b38fa..5787ad9a0 100644
--- a/beacon_chain/networking/eth2_network.nim
+++ b/beacon_chain/networking/eth2_network.nim
@@ -2385,6 +2385,8 @@ proc createEth2Node*(rng: ref HmacDrbgContext,
               res.mgetOrPut(peerId, @[]).add(maddress)
               info "Adding priviledged direct peer", peerId, address = maddress
           res
+        ,
+      bandwidthEstimatebps: config.bandwidthEstimate.get(100_000_000)
     )
     pubsub = GossipSub.init(
       switch = switch,
diff --git a/vendor/nim-libp2p b/vendor/nim-libp2p
index 224f92e17..f80ce3133 160000
--- a/vendor/nim-libp2p
+++ b/vendor/nim-libp2p
@@ -1 +1 @@
-Subproject commit 224f92e17251464984d6906316c54d2e1108ae43
+Subproject commit f80ce3133c1d75b3d18d1d1766a58121d8999abd