diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index acd9d52..07bdf94 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -213,14 +213,14 @@ jobs:
         id: restore-nomos-bins-host
         uses: actions/cache@v4
         with:
-          path: ${{ github.workspace }}/.tmp/nomos-binaries-host-${{ env.VERSION }}.tar.gz
-          key: ${{ runner.os }}-nomos-binaries-host-${{ env.VERSION }}-${{ env.NOMOS_BUNDLE_VERSION }}
+          path: ${{ github.workspace }}/.tmp/nomos-binaries.tar.gz
+          key: ${{ runner.os }}-nomos-binaries-${{ env.VERSION }}-${{ env.NOMOS_BUNDLE_VERSION }}
 
       - name: Download nomos binaries artifact (fallback)
         if: steps.restore-nomos-bins-host.outputs.cache-hit != 'true'
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ARTIFACT_NAME: nomos-binaries-host-${{ env.VERSION }}-${{ env.NOMOS_BUNDLE_VERSION }}
+          ARTIFACT_NAME: nomos-binaries-${{ runner.os }}-${{ env.VERSION }}-${{ env.NOMOS_BUNDLE_VERSION }}
         run: |
           set -euo pipefail
           mkdir -p "${TMPDIR}"
@@ -239,12 +239,12 @@ jobs:
             exit 1
           fi
           mkdir -p "${GITHUB_WORKSPACE}/.tmp"
-          mv "$found_tar" "${GITHUB_WORKSPACE}/.tmp/nomos-binaries-host-${VERSION}.tar.gz"
+          mv "$found_tar" "${GITHUB_WORKSPACE}/.tmp/nomos-binaries.tar.gz"
       - name: Normalize host bundle path
         run: |
           set -euo pipefail
           mkdir -p .tmp
-          SRC="${GITHUB_WORKSPACE}/.tmp/nomos-binaries-host-${VERSION}.tar.gz"
+          SRC="${GITHUB_WORKSPACE}/.tmp/nomos-binaries.tar.gz"
           DEST="${GITHUB_WORKSPACE}/.tmp/nomos-binaries-host-${VERSION}.tar.gz"
           if [ -f "${SRC}" ]; then
             mv "${SRC}" "${DEST}"
@@ -313,13 +313,13 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ${{ github.workspace }}/.tmp/nomos-binaries.tar.gz
-          key: ${{ runner.os }}-nomos-binaries-${{ env.NOMOS_NODE_REV }}-${{ env.NOMOS_BUNDLE_VERSION }}
+          key: ${{ runner.os }}-nomos-binaries-${{ env.VERSION }}-${{ env.NOMOS_BUNDLE_VERSION }}
 
       - name: Download nomos binaries artifact (fallback)
         if: steps.restore-nomos-bins.outputs.cache-hit != 'true'
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ARTIFACT_NAME: nomos-binaries-${{ runner.os }}-${{ env.NOMOS_NODE_REV }}-${{ env.NOMOS_BUNDLE_VERSION }}
+          ARTIFACT_NAME: nomos-binaries-${{ runner.os }}-${{ env.VERSION }}-${{ env.NOMOS_BUNDLE_VERSION }}
         run: |
           set -euo pipefail
           download_dir="${TMPDIR}/nomos-binaries-download"
diff --git a/testing-framework/configs/src/topology/configs/network.rs b/testing-framework/configs/src/topology/configs/network.rs
index 2e8fe2a..dc13566 100644
--- a/testing-framework/configs/src/topology/configs/network.rs
+++ b/testing-framework/configs/src/topology/configs/network.rs
@@ -1,4 +1,4 @@
-use std::time::Duration;
+use std::{env, time::Duration};
 
 use nomos_libp2p::{
     IdentifySettings, KademliaSettings, Multiaddr, NatSettings, ed25519, gossipsub,
@@ -36,6 +36,19 @@ fn default_swarm_config() -> SwarmConfig {
     }
 }
 
+fn nat_settings(port: u16) -> NatSettings {
+    if env::var("NOMOS_USE_AUTONAT").is_ok() {
+        return NatSettings::default();
+    }
+
+    let addr: Multiaddr = format!("/ip4/127.0.0.1/udp/{port}/quic-v1")
+        .parse()
+        .expect("failed to build loopback multiaddr");
+    NatSettings::Static {
+        external_address: addr,
+    }
+}
+
 #[must_use]
 pub fn create_network_configs(
     ids: &[[u8; 32]],
@@ -48,12 +61,14 @@ pub fn create_network_configs(
             let node_key = ed25519::SecretKey::try_from_bytes(&mut node_key_bytes)
                 .expect("Failed to generate secret key from bytes");
 
+            let port = get_available_udp_port().unwrap();
             SwarmConfig {
                 node_key,
-                port: get_available_udp_port().unwrap(),
+                port,
                 chain_sync_config: cryptarchia_sync::Config {
                     peer_response_timeout: Duration::from_secs(60),
                 },
+                nat_config: nat_settings(port),
                 ..default_swarm_config()
             }
         })