diff --git a/eth/downloader/peer.go b/eth/downloader/peer.go
index a1079724a7..2cc0e5e1e4 100644
--- a/eth/downloader/peer.go
+++ b/eth/downloader/peer.go
@@ -477,7 +477,7 @@ func (ps *peerSet) HeaderIdlePeers() ([]*peerConnection, int) {
 		defer p.lock.RUnlock()
 		return p.headerThroughput
 	}
-	return ps.idlePeers(62, 64, idle, throughput)
+	return ps.idlePeers(62, 101, idle, throughput)
 }
 
 // BodyIdlePeers retrieves a flat list of all the currently body-idle peers within
@@ -491,7 +491,7 @@ func (ps *peerSet) BodyIdlePeers() ([]*peerConnection, int) {
 		defer p.lock.RUnlock()
 		return p.blockThroughput
 	}
-	return ps.idlePeers(62, 64, idle, throughput)
+	return ps.idlePeers(62, 101, idle, throughput)
 }
 
 // ReceiptIdlePeers retrieves a flat list of all the currently receipt-idle peers
@@ -505,7 +505,7 @@ func (ps *peerSet) ReceiptIdlePeers() ([]*peerConnection, int) {
 		defer p.lock.RUnlock()
 		return p.receiptThroughput
 	}
-	return ps.idlePeers(63, 64, idle, throughput)
+	return ps.idlePeers(63, 101, idle, throughput)
 }
 
 // NodeDataIdlePeers retrieves a flat list of all the currently node-data-idle
@@ -519,7 +519,7 @@ func (ps *peerSet) NodeDataIdlePeers() ([]*peerConnection, int) {
 		defer p.lock.RUnlock()
 		return p.stateThroughput
 	}
-	return ps.idlePeers(63, 64, idle, throughput)
+	return ps.idlePeers(63, 101, idle, throughput)
 }
 
 // idlePeers retrieves a flat list of all currently idle peers satisfying the
diff --git a/eth/protocol.go b/eth/protocol.go
index cb4d21bbbb..64b4883684 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -30,18 +30,19 @@ import (
 
 // Constants to match up protocol versions and messages
 const (
-	eth62 = 62
-	eth63 = 63
+	eth62  = 62
+	eth63  = 63
+	xdpos2 = 100
 )
 
 // Official short name of the protocol used during capability negotiation.
 var ProtocolName = "eth"
 
 // Supported versions of the eth protocol (first is primary).
-var ProtocolVersions = []uint{eth63, eth62}
+var ProtocolVersions = []uint{xdpos2, eth63, eth62}
 
 // Number of implemented message corresponding to different protocol versions.
-var ProtocolLengths = []uint64{227, 8}
+var ProtocolLengths = []uint64{227, 17, 8}
 
 const ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
 
@@ -64,7 +65,7 @@ const (
 	GetReceiptsMsg = 0x0f
 	ReceiptsMsg    = 0x10
 
-	// Protocol messages belonging to eth/100
+	// Protocol messages belonging to xdpos2/100
 	VoteMsg     = 0xe0
 	TimeoutMsg  = 0xe1
 	SyncInfoMsg = 0xe2