diff --git a/config/mempool/default_config.json b/config/mempool/default_config.json
index a382bcd06a..00020152ed 100644
--- a/config/mempool/default_config.json
+++ b/config/mempool/default_config.json
@@ -782,7 +782,7 @@
   "mempool_p2p_config.network_buffer_size": {
     "description": "Network buffer size.",
     "privacy": "Public",
-    "value": 0
+    "value": 10000
   },
   "mempool_p2p_config.network_config.advertised_multiaddr": {
     "description": "The external address other peers see this node. If this is set, the node will not try to find out which addresses it has and will write this address as external instead",
diff --git a/crates/mempool_p2p/src/config.rs b/crates/mempool_p2p/src/config.rs
index db83464be4..e4b0317a68 100644
--- a/crates/mempool_p2p/src/config.rs
+++ b/crates/mempool_p2p/src/config.rs
@@ -6,7 +6,7 @@ use papyrus_network::NetworkConfig;
 use serde::{Deserialize, Serialize};
 use validator::Validate;
 
-#[derive(Debug, Default, Deserialize, Serialize, Clone, PartialEq, Validate)]
+#[derive(Debug, Deserialize, Serialize, Clone, PartialEq, Validate)]
 pub struct MempoolP2pConfig {
     #[validate]
     pub network_config: NetworkConfig,
@@ -15,6 +15,17 @@ pub struct MempoolP2pConfig {
     pub network_buffer_size: usize,
 }
 
+impl Default for MempoolP2pConfig {
+    fn default() -> Self {
+        Self {
+            network_config: NetworkConfig::default(),
+            // TODO: Consider filling this once the sequencer node has a name.
+            executable_version: None,
+            network_buffer_size: 10000,
+        }
+    }
+}
+
 impl SerializeConfig for MempoolP2pConfig {
     fn dump(&self) -> BTreeMap<ParamPath, SerializedParam> {
         vec![