display status of all switch ports

diff --git a/snmp-port-status.sh b/snmp-port-status.sh
new file mode 100755 (executable)
index 0000000..04c0b56
--- /dev/null
+++ b/snmp-port-status.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# modified from https://gist.github.com/krokodilerian/a88b4ae992706c22e0b0
+# see /var/lib/snmp/mibs/ietf/IF-MIB
+
+if [ -z "$1" ]; then
+       echo Usage: "$0" hostname
+       exit 4
+fi
+
+sw="$1"
+. ./snmp.conf
+snmp="snmpget -v 2c -c $COMMUNITY -Cf -Ov -OQ $sw"
+
+numports=`$snmp IF-MIB::ifNumber.0`
+
+for i in `seq 1 $numports`; do
+       name=`$snmp IF-MIB::ifAlias.$i`
+       if [ "$name" = "No Such Instance currently exists at this OID" ]; then
+               continue
+       fi
+
+       iftype=`$snmp IF-MIB::ifType.$i`
+
+#      if [ "$iftype" = "other" ] || [ "$iftype" = propVirtual ] || [ "$iftype" = softwareLoopback ]; then
+#              continue
+#      fi 
+       
+       status=`$snmp IF-MIB::ifOperStatus.$i`
+       if [ "$status" = "notPresent" ] ; then
+               continue;
+       fi
+
+       #descr=`$snmp IF-MIB::ifDescr.$i`
+       speed=`$snmp IF-MIB::ifSpeed.$i | sed 's/000000//'`
+
+#      echo "## $sw [$name] $iftype $status $descr $speed"
+       echo "$sw $i $speed $status [$name]"
+done
+