1 files changed, 31 insertions, 0 deletions
diff --git a/scripts/ipdiff.sh b/scripts/ipdiff.sh
new file mode 100755
index 0000000..1aeef2a
--- /dev/null
+++ b/scripts/ipdiff.sh
@@ -0,0 +1,31 @@
+# ipdiff.sh
+# For non-shared BMC LAN channels, take the OS IP and add an increment,
+# then run pefconfig -I to set the new BMC LAN IP.
+#
+# eth:  Get the OS IP from eth0 by default
+# incr: Increment is 128. by default
+# Customers may wish to customize the $eth and $incr parameters below to
+# vary these for their network environments.
+#
+# This produces a series of systems with IP addresses allocated like this:
+#         OS IP         BMC LAN IP
+# system1 192.168.0.1   192.168.0.129
+# system2 192.168.0.2   192.168.0.130
+# system3 192.168.0.3   192.168.0.131
+# ...
+eth=eth0
+incr=128
+ip=`ifconfig $eth |grep "inet addr:" |cut -f2 -d':' |awk '{print $1}'`
+last=`echo $ip |cut -f4 -d'.'`
+first=`echo $ip |cut -f1-3 -d'.'`
+sysname=`uname -n`
+
+newlast=`expr $last + $incr`
+if [ $newlast -ge 255 ]
+then
+   # overflow, so wrap IP (could return error instead)
+   newlast=`expr $newlast - 255`
+fi
+newip=${first}.${newlast}
+echo "$sysname: $eth IP = $ip, BMC IP = $newip"
+ipmiutil lan -e -I $newip