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Introduction: ------------- ciscocmd is a Tcl/Expect script. With this tool, you can send a set of command to a large number of ios target hosts and get a separated report for each node. I wrote this little tool to assists me when I must manage a lot of cisco switch for the same reason like find specific parameters under specific circumstances like how is defined a QOS policy on interface where a lot of packets are dropped.. Usage: ------ ciscoscmd [OPTION]... -h --help display this help message. -u --username <username> define the username password. -p --password <password> define the telnet password. -s --secretpassword <enable password> define the enable secret password. -t --target <host> define the hostname to connect. -T --targetfile <file> define a target file (one host per line) -c --cmd <cmd> define the command to send. -C --cachecred use cache credentials $CISCOUSR $CISCOPW $CISCOSEC -e --enable set mode enable. -r --runfile <file> define a file with a set of command to send. -l --log <file prefix> define a logfile prefix -a --append log will be appended to existing file -P --prefix add the host prefix to each line -m --maxfork <number> define maximum forked process -w --wait <seconds> define max wait time for the next prompt -b --batchfile <file> define a batch file to process ciscocmd output All ciscocmd output will be piped to this batch -Y|--ssh Use ssh protocol to connect remote equipement --sshopts set ssh specific option -I --ignrorekey ignore host key for ssh protocol -f --force force connection to next host if one connection fails -d --debug <file> define a debug file name -A --asa use ASA pager command: terminal pager 0 -W --wlc use WLC pager command: config paging disable -D --datadump use Small Business pager command: terminal datadump 0 -z --width <chars> set terminal width (not for ASA) -q --quiet set program very quiet -h --help Print a quick help. -u --username When your target use authentication new-model, a username is required to logon. This option must be used to specify the username. The script will expect "ername" prompt before sending the username. ex: -u john -s --secretpassword When you need to be in enable mode, you must specify the enable password. ex: -s enablepassword -t --target This option defines a target or a list of target for the script. If you define a list, you must separate each host with a comma. ex: -t myrouteur,myswitch -T --targetfile This option defines a list where target are listed. On each line, one target must be written, no more, no less. ex: -T hostlist.txt -c --cmd With this flag, you can pass the ios command to execute. Don't forget to use quote !!! ex: -c "show version" -C --cachecred This flag will use environment variables CISCOUSR as user, CISCOPW as password and CISCOCEC as secret. -e --enable This flag turn enable mode on. If you use -s, this parameter is useless. -r --runfile This parameter let you specify a file containing a set of command to enter on your target ex: -r command.ios.txt -l --log This option is used to define a prefix for logging the output of ciscocmd script. Each target, will produce a logfile <targetname>.txt ( in forking mode ) but you may prefer to precede the filename with a custom a keyword to this name like a date or anything else. ex: -l version-request. -a --append This parameter must be used if you want to append log instead of replacing old log files. -P --prefix This option permit to add the target in the beginning of each line of the script's output. -m --maxfork The default value is 4. You can if your machine is able to support more processing choose a greater value like 10, 30 or more on a supercomputer.. ex: -m 10 -b --batchfile This parameter let you specify a custom script that will get as standard input the result of the ciscocmd script. Additionally, the $CISCOHOST environmental variable can be accessed by your script. CISCOHOST will give you the current target. -z --width This will force the width to the specified value. Default value: 80. -d --debug This option will produce a expect debug output in a file. If more than one target is given, each target will produce a file <debugfilename>.target.debug ex: -d mydebug -w --wait This option define the maximum time in seconds to wait after each command during processing. -q --quiet Be very quite and do not send any information on standard output. -A --asa Use this option to use ASA's pager command: "terminal pager 0" instead of "terminal length 0". -W --wlc Use this option to use WLC's pager command: "config paging disable" instead of "terminal length 0". -Y --ssh This option will use ssh instead of telnet protocol to connect remote target(s) --sshopts <sshopts> This option permit to add specific ssh options ex: --sshopts "-2" -I --ignorekey This command wil add ssh opion to ignore host key -f --forcenext This option force connection to next host if one connection fails Example: -------- This tool can be used to retrieve information, put configuration. Another powerful option is the ability to pipe each node output to your custom script. For example, I suppose you need to check the configuration of all interfaces where you detect more than 1 reset and on a hundreds of nodes... - Prepare a file with your hosts ( on per line ) and save it as mynodes.txt - Prepare a batch file to pipe your output command and save it as "mybatch" : --------------------------mybatch------------------------------- #!/bin/sh # #mybatch while read line do echo "$line" | grep -q "line protocol" && IF=$(echo $line | awk '{print $1}') echo "$line" | grep -q "reset" && ( ERROR=$(echo $line | sed -e 's/.*output.*, //g' -e 's/ interface resets.*//g') if [ $ERROR -gt 1 ] then echo echo "$IF have $ERROR resets !" ./ciscocmd -t $CISCOHOST -p <password> -s <password> -c "sh run int $IF" fi ) done ---------------------------------------------------------------- - launch ciscocmd -T mynodes.txt -p <password> -s <enablepassword> -b ./mybatch -c "sh int" you will have a hundred of text file ( one per node with the result of "sh run int" for all interfaces with more than one reset ) Remarks: 1. This example supposes you don't use authentication new model. If you use it do not forget to use -u <username> with ciscocmd 2. Another way to do the same thing is to use "include" command from ios and make a shorter mybatch script. Important !!!!! To use forking mechanism on Unix , you need tclx extension. ciscocmd will try to load Tclx extension automatically Final Word: ----------- This script is written/distributed under the GPL License Version 2. For any comment, contact me at eczema@ecze.com Alain Degreffe
Source: Readme, updated 2015-09-21

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