create /dev/shm/dead with list of switches with no ping

diff --git a/snmp-mac-port b/snmp-mac-port
index 8143d67..8ddf043 100755 (executable)
--- a/snmp-mac-port
+++ b/snmp-mac-port
@@ -7,7 +7,10 @@ test -d $log || mkdir $log
 
 snmp_walk() {
        ip=$1
-       fping $ip 2>>/dev/shm/dead
+       if ! fping $ip 2>>/dev/shm/dead ; then
+               echo "ERROR: $ip"
+               return
+       fi
 
        # Q-BRIDGE-MIB dot1qFdbTable
        #snmpbulkwalk -O0sUX -v2c -Cc -c $COMMUNITY $ip 1.3.6.1.2.1.17.7.1.2.2.1.2 | sed -e 's/.*7\.1\.2\.2\.[0-9]\.[0-9]\.//' -e 's/ = [^:]*: / /' -e 's/\./ /g' | awk -v name=$ip '{ printf "%s %d %02x:%02x:%02x:%02x:%02x:%02x %d\n", name, $1, $2,$3,$4,$5,$6,$7, $8 }' | tee $log/$ip