diff --git a/pica-metrologie/vmalert-rules.yml b/pica-metrologie/vmalert-rules.yml
index 659d6ff8dc4bc3306497fbac4915fee5ff63e133..5e6203300c163f75594bd90c0cbdb5f83b32e592 100644
--- a/pica-metrologie/vmalert-rules.yml
+++ b/pica-metrologie/vmalert-rules.yml
@@ -134,39 +134,39 @@ groups:
   rules:
   - alert: ReceiveHighErrors
     expr: 100 * (rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m])) > 1
-    for: "5m"
+    for: "30m"
     labels:
       severity: warning
     annotations:
       summary: Network interface is reporting many receive errors
-      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% receive errors for 5 minutes.'
+      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% receive errors for 30 minutes.'
       dashboard: https://grafana.picasoft.net/d/QPF5l5uZa/network?var-node={{ $labels.instance }}
   - alert: SendHighErrors
     expr: 100 * (rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m])) > 1
-    for: "5m"
+    for: "30m"
     labels:
       severity: warning
     annotations:
       summary: Network interface is reporting many transmit errors
-      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% transmit errors for 5 minutes.'
+      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% transmit errors for 30 minutes.'
       dashboard: https://grafana.picasoft.net/d/QPF5l5uZa/network?var-node={{ $labels.instance }}
   - alert: ReceiveHighDrop
     expr: 100 * (rate(node_network_receive_drop_total[2m]) / rate(node_network_receive_packets_total[2m])) > 1
-    for: "5m"
+    for: "30m"
     labels:
       severity: warning
     annotations:
       summary: Network interface is reporting many receive drops
-      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% receive drops for 5 minutes.'
+      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% receive drops for 30 minutes.'
       dashboard: https://grafana.picasoft.net/d/QPF5l5uZa/network?var-node={{ $labels.instance }}
   - alert: SendHighDrop
     expr: 100 * (rate(node_network_transmit_drop_total[2m]) / rate(node_network_transmit_packets_total[2m])) > 1
-    for: "5m"
+    for: "30m"
     labels:
       severity: warning
     annotations:
       summary: Network interface is reporting many transmit drops
-      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% transmit drops for 5 minutes.'
+      description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }}% transmit drops for 30 minutes.'
       dashboard: https://grafana.picasoft.net/d/QPF5l5uZa/network?var-node={{ $labels.instance }}
 
 - name: services