Код скрипта ../../bin/log-snmp.sh

#!/bin/bash
# Script for logging current SNMP information:
# - RX and TX bytes over some network interface

# Log to this file:
LOG_FILE=/var/www/stat/snmp.log

# Network interface number:
N=48

# SNMP host
HOST=192.168.222.144

# SNMP community
COMMUNITY=public

# MIBS
MIB1="IF-MIB::ifDescr.$N"
MIB2="IF-MIB::ifInOctets.$N"
MIB3="IF-MIB::ifInUcastPkts.$N"
MIB4="IF-MIB::ifOutOctets.$N"
MIB5="IF-MIB::ifOutUcastPkts.$N"

#############################
# Timestamp:
TS=`date '+%Y-%m-%d %H:%M:%S'`

# snmp info
RES=''

for MIB in $MIB1 $MIB2 $MIB3 $MIB4 $MIB5; do
    LINE=`snmpget -c $COMMUNITY -v 1 $HOST $MIB`

    NAME=`echo $LINE | sed "s/^IF-MIB::\([[:alnum:]]\+\).*/\1/"`
    VALUE=`echo "$LINE" | sed "s/^IF-MIB::[[:alnum:]]\+\.$N = [[:alnum:]]\+: //"`

    RES="$RES  $NAME:$VALUE"
done

# Log all to the file
echo "$TS => $RES" >> "$LOG_FILE"
#------------------------------------------------------------