fix: add MTU size fix for Proxmox/Docker network compatibility

2026-06-13 09:57:22 -07:00
parent ff42edcb94
commit 0a0511c27a
1 changed files with 13 additions and 0 deletions
@@ -17,6 +17,19 @@ inputs:
 runs:
  using: 'composite'
  steps:
+    - name: Fix MTU size for Proxmox/Docker network compatibility
+      shell: bash
+      run: |
+        DEFAULT_INTERFACE=$(ip route show | grep default | awk '{print $5}')
+        if [ -n "$DEFAULT_INTERFACE" ]; then
+          echo "Setting MTU of $DEFAULT_INTERFACE to 1400..."
+          if [ "$(id -u)" -eq 0 ]; then
+            ip link set dev "$DEFAULT_INTERFACE" mtu 1400 || true
+          else
+            sudo ip link set dev "$DEFAULT_INTERFACE" mtu 1400 || true
+          fi
+        fi
+
    - name: Setup Node
      uses: actions/setup-node@v4
      with: