Joseph Clarke

Member Since: Feb 20, 2002

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Joseph Clarke's Activity on Cisco Support Community
Currently displaying 50 results

Joseph Clarke has commented on EEM Script to bounce all dot1x enabled ports after switch restart

1 day 5 hours ago
Does "show dot1x all" list interfaces by name?  Parsing the...

Joseph Clarke has commented on EEM Script to bounce all dot1x enabled ports after switch restart

1 day 5 hours ago
What CLI command would you use the determine if a port is dot1x-enabled? ...

Joseph Clarke has commented on EEM Script to bounce all dot1x enabled ports after switch restart

2 days 10 min ago
What CLI commands would you use to bounce the ports manually?  What CLI...

Joseph Clarke has commented on EEM Script to apply the QOS command in interface as per time base

3 days 5 hours ago
You can wrap your commands around an EEM timer applet: event manager...

Joseph Clarke has commented on Question about simple script

3 days 5 hours ago
$_syslog_msg is a built-in variable to the syslog event detector.  What...

Joseph Clarke has commented on SLA shutdown interface on Cisco ISR 4331 if IP unreachable

4 days 8 hours ago
You're missing the "interface" keyword in actions 4: action...

Joseph Clarke has commented on Need to shut down port if remote port does not respond to ICMP

1 week 1 day ago
Use syslog instead.  You should see a syslog message when a tracked object...

Joseph Clarke has commented on EEM variable for show command output and create a filename

1 week 2 days ago
You don't need action 90.  You should also enable "debug event...

Joseph Clarke has commented on track state checking every 15 minutes

1 week 3 days ago
This is not the correct approach to doing that.  What you want to do is...

Joseph Clarke has commented on track state checking every 15 minutes

1 week 3 days ago
You don't need to do this.  The whole idea of tracking is that it'...

Joseph Clarke has commented on EEM variable for show command output and create a filename

1 week 3 days ago
In order to write to a file you need to enable the applet.  You're...

Joseph Clarke has commented on Cisco Nexus - Event manager skip command

2 weeks 4 hours ago
While CLI applets that block commands from running are possible in NX-OS, it...

Joseph Clarke has commented on EEM to Shut down FEX ports

2 weeks 1 day ago
It depends on the specific model of Nexus switch.  For example, for the...

Joseph Clarke has commented on EEM to Shut down FEX ports

2 weeks 1 day ago
Accomplish the multiple applets or the Python script?

Joseph Clarke has commented on EEM to Shut down FEX ports

2 weeks 1 day ago
You'd need a Python script to parse the syslog.  The easiest thing to...

Joseph Clarke has commented on EEM to Shut down FEX ports

2 weeks 1 day ago
How do you detect this?  Is there a syslog message?

Joseph Clarke has commented on "Dirty Circuit" script not working

2 weeks 1 day ago
It could be you're missing "event manager session cli user" on...

Joseph Clarke has commented on EEM Auto Access Point Scipt

2 weeks 2 days ago
You can't use the cdp delete event as it will cause a bounce.  Instead...

Joseph Clarke has commented on Script to disable G0/0 port if assigned IP address is not reachable

2 weeks 4 days ago
Assuming your provider gives you IP address 10.1.1.2 and they have 10.1.1.1 on...

Joseph Clarke has commented on Script to disable G0/0 port if assigned IP address is not reachable

2 weeks 5 days ago
This isn't entirely possible.  While you can certainly test if a port...

Joseph Clarke has commented on How to retrieve a string from debug log using tcl

3 weeks 1 hour ago
That's a different syslog message than the one you showed originally....

Joseph Clarke has commented on EEM Event is overwritting incorrect NAT statement

3 weeks 1 day ago
My point was you don't have to "no" anything.  Have one...

Joseph Clarke has commented on EEM Event is overwritting incorrect NAT statement

3 weeks 1 day ago
What's happening is that track 120 is going down, and that applet is...

Joseph Clarke has commented on EEM Event is overwritting incorrect NAT statement

3 weeks 1 day ago
You didn't post your EEM policies.  EEM isn't going to make stuff...

Joseph Clarke has commented on How to retrieve a string from debug log using tcl

3 weeks 1 day ago
You can do this: event manager applet bgp-peer-down event syslog...

Joseph Clarke has commented on EEM execution failing due to CLI nat question

3 weeks 5 days ago
Then change the action to:action 30 cli command "no ip nat inside source...

Joseph Clarke has commented on EEM execution failing due to CLI nat question

3 weeks 5 days ago
What is the actual prompt you get when you type the command manually?

Joseph Clarke has commented on CLI to change IP SLB serverfarm config

4 weeks 1 day ago
Could be.  The 3640 is end of life as well.

Joseph Clarke has commented on CLI to change IP SLB serverfarm config

4 weeks 1 day ago
You're running into an old bug with prompt matching.  The version of...

Joseph Clarke has commented on Automatically Set Port Descriptions

1 month 28 min ago
At CiscoLive, I use a complimentary applet to default the port.  However,...

Joseph Clarke has commented on embedded event manager in 12.2(33)SXI3

1 month 6 hours ago
Please start a new thread for your issue.  Post your current script and...

Joseph Clarke has commented on TCL Script to change hostnames from upper case letters to lower case

1 month 6 hours ago
I had assumed you already had extracted the hostname into the $hostname...

Joseph Clarke has commented on CLI to change IP SLB serverfarm config

1 month 19 hours ago
What does the sequence look like if you execute the ip sld serverfarm DIGICO...

Joseph Clarke has commented on TCL Script to change hostnames from upper case letters to lower case

1 month 1 day ago
This is tclsh code.  Just execute tclsh and paste the code in.

Joseph Clarke has commented on TCL Script to change hostnames from upper case letters to lower case

1 month 2 days ago
The Tcl code to do this is rather simple: set hostname [string tolower $...

Joseph Clarke has commented on EEM-tcl trigger using customized syslog not working.

1 month 3 days ago
EEM is unable to intercept a message it generated.  This is done to...

Joseph Clarke has commented on Cisco IOS XR EEM

1 month 6 days ago
Again, this shows that the policy wasn't previously registered.  If...

Joseph Clarke has commented on Cisco IOS XR EEM

1 month 1 week ago
Please start a new thread for a new question.  This thread is way too long...

Joseph Clarke has commented on Cisco IOS XR EEM

1 month 1 week ago
What errors?  The error above is what I'd expect if the policy hadn...

Joseph Clarke has commented on Help: TCL Syntax for redirecting output to a file

1 month 1 week ago
You can wrap any command in catch to prevent an error from being fatal: if...

Joseph Clarke has commented on Cisco IOS XR EEM

1 month 1 week ago
I think you need a "commit" in between those commands.

Joseph Clarke has commented on Failover active and to send CGI

1 month 2 weeks ago
Not sure what you mean by "principal code," but I am running this to...

Joseph Clarke has commented on Failover active and to send CGI

1 month 2 weeks ago
This is possible using EEM and Tcl.  Have a look at the script I did as...

Joseph Clarke has commented on Failover active and to send CGI

1 month 2 weeks ago
Can you clarify what you mean by "CGI" in this context?  Can you...

Joseph Clarke has commented on UBR EEM script resetting the modem

1 month 2 weeks ago
You can use the "after" Tcl command to introduce a sleep.  But...

Joseph Clarke has commented on Automatically Set Port Descriptions

1 month 4 weeks ago
While NX-OS supports CDP, it does not support the ability to react to changes...

Joseph Clarke has commented on Detect Proxy ARP Connection and Get Interface Down by EEM

2 months 9 hours ago
Just expand the regexp to: event syslog pattern "SW_DAI-4-ACL_DENY:.*...

Joseph Clarke has commented on string range variable

2 months 3 days ago
Unfortunately, when the applet actions were designed, not all parameters...

Joseph Clarke has commented on Detect Proxy ARP Connection and Get Interface Down by EEM

2 months 3 days ago
Something like this should work: event manager applet kill-proxy-arp ...

Joseph Clarke has commented on Action syslog in EEM script does not work when logging filter is configured

2 months 5 days ago
When ESM is enabled on a syslog destination, then buginf (i.e., debugging)...

Bio

As a Global Technical Center engineer, he has contributed to network management products and technologies by finding and fixing bugs, as well as implementing maintenance and troubleshooting components in Cisco Prime, Cisco’s flagship network management suite. Joe’s current passions are around network programmability, embedded automation, and software defined networking. He helps to support and enhance technologies, such as the Embedded Event Manager, Tcl, and ONE Platform Kit (onePK). He is one of the founders and architects of the Lithium-based community platform, Tech Zone, which is used as the standard for collaboration and knowledge management by Cisco technical support. Joe is a top-rated speaker at CiscoLive!, as well as a certified as a Cisco Certified Internetworking Expert, Certified Java Programmer, and VMware Certified Professional. He has authored numerous technical documents on Cisco network management products and technologies as well as a chapter co-author in the Springer publication, “Network-Embedded Management and Applications: Understanding Programmable Networking Infrastructure”; and he served as one of the technical editors for the Cisco Press book, “Tcl Scripting for Cisco IOS.” He worked as the XML lead on the Common Vulnerability and Reporting Framework project, which is a cross-vendor effort to standardize how security advisory data is shared amongst organizations. Joe is co-author of seven Cisco patents, including two on leveraging XMPP as a network management and as a VPN protocol. He is an alumnus of the University of Miami and holds a Bachelor of Science degree in computer science.








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