fix(helm): nico machine-a-tron values

Author: akorobkov-nvda

helm/charts/nico-machine-a-tron/README.md

@@ -175,7 +175,7 @@ helm upgrade --install nico ./helm \
   --namespace nico-mat \
   --set nico-machine-a-tron.enabled=true \
   --set nico-machine-a-tron.nginxBmcProxy.enabled=true \
-  --set nico-machine-a-tron.nginxBmcProxy.ipRange="10.100.0.0-10.100.7.254" \
+  --set nico-machine-a-tron.nginxBmcProxy.ipRange="10.100.0.2-10.100.7.254" \
   --set nico-machine-a-tron.nginxBmcProxy.bgp.enabled=true \
   --set nico-machine-a-tron.machines.dell-hosts.hostCount=100 \
   --set nico-machine-a-tron.machines.dell-hosts.dpuPerHostCount=2 \

helm/charts/nico-machine-a-tron/values.yaml

@@ -320,8 +320,9 @@ nginxBmcProxy:
   ## with thousands of individual /32 routes.
   bgp:
     enabled: false
-    ## Route aggregation length - announces single /18 instead of 16000+ /32s
-    aggregationLength: 18
+    ## Route aggregation length - announces summary route instead of /32s
+    ## /21 = 2048 IPs (default), /18 = 16384 IPs (max)
+    aggregationLength: 21
 
 configFiles:
   ## Override the entire mat.toml config (leave empty to use generated config)