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Cisco VPN Broken
VPN not functioning for connecting to other hosts including the CUE? Disable IP cef conf tno ip cef
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Default Interface Cisco Command
I can’t even count the number of times I’ve tried to remove all the configs from an interface by doing a no interface command. The router or switch always replies with a snarky “Removal of physical interfaces is not permitted.” I then copy all the commands for the interface, open up notepad, put a no…
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Cisco – CUE – Show Voicemail Email Notification Settings for a User from CLI
show voicemail notification owner email
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Cisco Config Archive and Replace
Sweet. http://www.fryguy.net/2011/06/06/cisco-archive-and-configure/ http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gtrollbk.html#wp1066709
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Cisco Command Tricks – Monitoring Performance
Show the list of tasks running sorted by CPU usage and excluding any that are using 0% sh proc cpu sorted | ex 0.00 Show spanning tree changes show spanning-tree detail | inc ieee|occur|from|is exec Show interface counter errors sh interface counters errors sh int | i line|error Show interface queue statuses and drops sh…
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Cisco – ISDN Plan Map
Apparently Cisco CME creates its own ISDN call plan rule set automagically. With some vendors, when you send across a number which begins with 011 and plan type international their switches freak out. You can override this treatment by applying an ISDN MAP to the serial interface of the PRI. interface Serial0/2/0:23isdn map address 011.*…
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Cisco NTP Setup
NTP Setup Misc NotesNTP Server to Use: time-a.nist.gov – 129.6.15.28 Other NTP Servers http://www.cisco.com/en/US/docs/ios/12_1/configfun/configuration/guide/fcd303.html#wp1001151http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a00807ca437.shtml#configs
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Cisco IP Communicator
Hitting / on the number pad on your keyboard translates into a # in Cisco IP communicator. If you spend a lot of time working with Cisco phone systems and CIPC, you know how much time this will save you. If not, this is pretty useless info. Now if I can just find a way…
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Cisco Regex and CLI Filters Misc
Not a fully formed note/post yet. Just some notes and links. http://www.cisco.com/en/US/docs/ios/12_0t/12_0t1/feature/guide/cliparse.html#wp5286http://hackathology.blogspot.com/2007/04/cisco-ios-cli-regular-expressions-part.html http://hackathology.blogspot.com/2007/02/basic-cisco-ios-router-management-to.htmlhttp://www.handsomeplanet.com/archives/7
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Cisco VPN PSK Decryption
Had a customer today who needed their Cisco IPSec VPN pre-shared key. The problem is we didn’t keep that information for their VPN account (only for our own) and the password is stored encrypted on the ASA. I can reset their PSK easily, but then the other computers that are already deployed with the existing…
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Cisco CLI – Show Command Section Filter and Other CLI Shortcuts
One of the most useful Cisco show filters ever is the new(ish) section filter. This lets you view information from the section you specify. For example, show run | section include ephone 12 will return all the config lines in the running config which pertain to your ephone 12. The section command (like all Cisco…
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Show MAC Address Table
Cisco command: show mac-address-table
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Cisco CME – SIP Providers
Some SIP providers require that your PBX use a specific SOURCE port when communicating with their network. Voip Your Life (VYL Media) business setup authenticates via public IP address and requires that your PBX use port 5060 as a source and destination port when communicating with their network. The problem is that by default, Cisco…
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Cisco CME Basic Call Debugs
WIP: debug isdn q931 – see live calling / called numbers on PRIdebug voip ccapi inout – This is hard to read but you will see something on the screen if calls come in / out of the FX0 / POTS lines.debug ccsip messages – debug sip messagesdebug ccsip all – debug all sip traffic…
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Cisco KATE
Working on a problem with Cisco SPA525G phones freezing and rebooting. Going through the debugs, I find a bunch of KATE messages. Weird. Some research shows that this is pretty poorly documented. Research also shows that Google sucks if you want to do a case sensitive search, which in this case I definitely do. After…
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Cisco IOS Bundles
Cisco IOS Packaging Cisco IOS Packaging consists of eight packages for Cisco routers and five packages for Cisco switches. (See Figure 6.) Figure 6—Cisco IOS Packaging for Cisco Routers and Switches Four packages are designed to satisfy requirements in four typical service categories: IP data Converged voice and data Security and VPN Enterprise protocols Three…
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Alias for CLI Access to the CUE
!creating an alias to enable CLI access to the CUE module much more easily. ! alias exec !do a sh ip int brief and look for the service-engine or integrated service-engine number to fill in the proper one. It is usually 0/0 though. !alias exec cue service-module service-Engine session Examples: alias exec cue service-module service-Engine…
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Rebooting Cisco Phones
http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/command/reference/cme_r1ht.html#wp1013890 Note that when resetting or restarting phones, the phone will not be rebooted immediately if it is currently in use. Instead, it will be rebooted once the phone call is over. Thus, resetting or restarting should both be safe to do during business hours as long as call traffic is not high at that…
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Show ip dhcp pool
shows you the leased DHCP IP addresses.2811#sh ip dhcp pool Pool sdm-pool1 : Utilization mark (high/low) : 100 / 0 Subnet size (first/next) : 0 / 0 Total addresses : 254 Leased addresses : 54 Pending event : none 1 subnet is currently in the pool : Current index IP address range Leased addresses 10.1.1.163…
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Cisco Commands – Remote Phone Proxy
!show the remote phones associated with the ASA.show phone-proxy secure-phones
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Cisco Commands – Show difference between running config and startup config
Ever wonder exactly what changes have been made to the running config? Should you save them before reloading or would that break everything. Use show archive config differences nvram:startup-config system:running-config to view the difference between the startup config and the current running config. show archive config differences nvram:startup-config system:running-config router#show archive config differences nvram:startup-config system:running-configContextual…
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Cisco Commands – Archive and Archive Config
Automated backups/revisions of configs on Cisco routers. http://www.cisco.com/en/US/docs/ios/12_3t/fun/command/reference/cfrgt_01.html#wp1094316 archive To enter archive configuration mode, use the archive command in global configuration mode. archive Syntax Description This command has no arguments or keywords. Defaults No default behavior or values Command Modes Global configuration Command History Release Modification 12.3(4)T This command was introduced. 12.2(25)S This command was…
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Cisco Commands – config replace
Config replace allows you to overwrite your running config with the startup config or a config from flash, tftp, etc. WITHOUT reloading the router. More info:http://articles.techrepublic.com.com/5100-10878_11-6184709.html http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gtrollbk.html Configuration Replace The configure replace command provides the capability to replace the current running configuration with any saved Cisco IOS configuration file. This functionality can be used to…