My script:<\/p>\n
#!\/bin\/sh
\nPATH=”\/bin:\/sbin:\/usr\/bin”<\/p>\n#Main Provider Router
\nISP1=”1.1.1.1″<\/p>\n#Second Provider Router
\nISP2=”2.2.2.2″<\/p>\n#IF 2 channels don’t work – will be set it
\nDEFAULT_ISP=”1.1.1.1″<\/p>\n# IP’s for ping
\nOVER_ISP1=”1.1.1.1″
\nOVER_ISP2=”2.2.2.2″<\/p>\n# Local source IP’s
\nIP1=”myip1″
\nIP2=”myip2″<\/p>\n# Verify routes
\n#netstat -nr | grep ${OVER_ISP1} >\/dev\/null 2>&1
\n#if [ $? != 0 ]; then
\n#\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 echo “Add static route to ${OVER_ISP1} via ${ISP1}”
\n#\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 route add ${OVER_ISP1} ${ISP1} -static
\n#fi
\n#netstat -nr | grep ${OVER_ISP2} >\/dev\/null 2>&1
\n#if [ $? != 0 ]; then
\n# echo “Add static route to ${OVER_ISP2} via\u00a0 ${ISP2}”
\n# route add ${OVER_ISP2} ${ISP2} -static
\n#fi
\n# What is work now
\ncurrent_now=`netstat -nr | grep default | awk ‘{print $2}’`
\n# echo -n “ping over ISP1:”
\nping -c 2 -S ${IP1} ${OVER_ISP1} >\/dev\/null 2>&1
\nif [ $? -eq 0 ]; then
\n#echo ” [OK]”
\nISP1_stat=0
\nelse
\n#echo ” [FAILED]”
\nISP1_stat=1
\nmail -s “Main Internet-channel FAILED” root < \/dev\/null
\nfi
\n# echo -n “ping over ISP2:”
\nping -c 1 -S ${IP2} ${OVER_ISP2} >\/dev\/null 2>&1
\nif [ $? -eq 0 ]; then
\n#echo ” [OK]”
\nISP2_stat=0
\nif [ -f \/tmp\/isp2.tmp ]; then
\nrm \/tmp\/isp2.tmp
\nmail -s “Second Internet-channel RESTORED” root < \/dev\/null
\nfi;
\nelse
\n#echo ” [FAILED]”
\nISP2_stat=1
\nif [ -f \/tmp\/isp2.tmp ]; then
\necho “still nothing” > \/dev\/null
\nelse
\nmail -s “Second Internet-channel FAILED” root < \/dev\/null
\necho “failed” > \/tmp\/isp2.tmp
\nfi
\nfi
\nif [ ${ISP1_stat} -eq 1 -a ${ISP2_stat} -eq 0 -a ${current_now} = ${ISP1} ]; then
\n#echo “ISP1 suck”
\nroute delete default
\nroute add default ${ISP2}
\nmail -s “Main Internet-channel FAILED – switching to Second” root < \/dev\/null
\nfi
\nif [ ${ISP1_stat} -eq 0 -a ${current_now} != ${ISP1} ]; then
\n#echo “Back to ISP1”
\nroute delete default
\nroute add default ${ISP1}
\n\/usr\/local\/etc\/racoon\/setkey.conf
\nmail -s “Main Internet-channel OK – switching back to MAIN” root < \/dev\/null
\nfi<\/p>\n# Check IPSEC channel
\nping -c 1 192.168.1.1 >\/dev\/null 2>&1
\nif [ $? -ne 0 ]; then
\n\/usr\/local\/etc\/racoon\/setkey.conf > \/dev\/null
\nmail -s “IPSEC channel to DC is failed – restarting rules” root < \/dev\/null
\nfi<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"My script: #!\/bin\/sh PATH=”\/bin:\/sbin:\/usr\/bin” #Main Provider Router ISP1=”1.1.1.1″ #Second Provider Router ISP2=”2.2.2.2″ #IF 2 channels don’t work – will be set it DEFAULT_ISP=”1.1.1.1″ # IP’s for ping OVER_ISP1=”1.1.1.1″ OVER_ISP2=”2.2.2.2″ # Local source IP’s IP1=”myip1″ IP2=”myip2″ # Verify routes #netstat -nr | grep ${OVER_ISP1} >\/dev\/null 2>&1 #if [ $? != 0 ]; then #\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 echo “Add […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,13],"tags":[],"class_list":["post-420","post","type-post","status-publish","format-standard","hentry","category-freebsd","category-novosti"],"_links":{"self":[{"href":"https:\/\/dety.net.ua\/index.php?rest_route=\/wp\/v2\/posts\/420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dety.net.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dety.net.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dety.net.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dety.net.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=420"}],"version-history":[{"count":1,"href":"https:\/\/dety.net.ua\/index.php?rest_route=\/wp\/v2\/posts\/420\/revisions"}],"predecessor-version":[{"id":421,"href":"https:\/\/dety.net.ua\/index.php?rest_route=\/wp\/v2\/posts\/420\/revisions\/421"}],"wp:attachment":[{"href":"https:\/\/dety.net.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dety.net.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dety.net.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}