Cisco 3560 MLS QOS All in One

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MLS QOS has been one of the greatest fear for my CCIE RS exam. I’ve read it several times, labbed it more than 3 times, but still I just cannot understand it. Then I decided to write my own notes to teach myself and hopefully any of you mere mortals like me. I’ll start with this Classification and Marking and let see how deep the rabbit hole goes for the next few parts. Enjoy! Classification…

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BCAD Scripts Examples

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Note: in some IOS 12.4 (13)T the service is embedded and does not need to be defined the path in flash and etc . in this you can directly call the service as below is the example of configuration ! ! application service app-b-acd-aa param voice-mail 4220 paramspace english index 1 param max-time-call-retry 60 param service-name app-b-acd param number-of-hunt-grps 2 paramspace english language en param handoff-string app-b-acd-aa param dial-by-extension-option 3 param max-time-vm-retry 2 paramspace english…

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[ CUCM – VCS ] Provides interoperability for endpoints registered to the Video Communications Server (VCS)

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  [ CUCM – VCS ] Provides interoperability for endpoints registered to the Video Communications Server (VCS)   ====================== Below is the Script =====================   –[[ Description: Provides interoperability for endpoints registered to the Video Communications Server (VCS) 1. Use configured top-level-domain for calling party number. 2. If Tandberg includes crypto but audio/video profile is AVP, change it to SAVP and include the X-cisco-srtp-fallback supported option. This allows endpoints to use SRTP if both sides…

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TCL for Class-based QoS MIB indexes

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TCL for Class-based QoS MIB indexes Class-based QoS MIB is a very complex data structure with numerous cross-indexes, making it very hard to find the exact SNMP variable that should be monitored with an EEM applet (for example, the bit rate of one class on a specific interface). This script traverses the Class-based QoS MIB and displays service policies and classes attached to individual interfaces. The policy index and class index values are printed next…

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Cisco switch IOS upgrade from Cli using tar

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Cisco switch IOS  upgrade from Cli using tar   3750#archive download-sw ?   /destination-system  specify destination system to receive software   /force-reload        Unconditionally reload system after successful sw                        upgrade   /imageonly           Load only the IOS image(s)   /leave-old-sw        Leave old sw installed after successful sw upgrade   /no-set-boot         Don’t set BOOT — leave existing boot config alone   /no-version-check    skip version check that prevents incompatible image                        install   /only-system-type    specify individual system type to…

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EEM(Embedded Event manager ) Part 1 -Intro

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Introduction:   The Cisco Embedded Event Manager (EEM) scripting Technical Support Forum gives you access to participate in tech discussions and go through documents on Capacity Planning Diagnostics, EEM for IOS-XR, EEM for NX-OS, Embedded Automation Systems (EASy), EEM script examples and other EEM scripting related issues. You can browse through latest technical content and get an overview on Cisco EEMscripting; current tech topics that are hot among the community including OSPF LSA vulnerability monitoring, Memory leak related…

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Kron Policy Examples For Clearing ARP Issues in IOS

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Kron Policy Examples  For Clearing ARP Issues in IOS     Router(config)# kron policy-list kpl-reload Router(config-kron-policy)# cli reload Router(config-kron-policy)# exit Router(config)# kron occurrence ko-reload in 1 oneshot Router(config-kron-occurrence)# policy-list kpl-reload Router(config-kron-occurrence)# exit Router# show kron schedule At time and recurring Router(config)# kron policy-list kpl-clear_arp Router(config-kron-policy)# cli send log Clear ARP cache Router(config-kron-policy)# cli clear arp-cache interface fa0/1 Router(config-kron-policy)# exit Router(config)# kron occurrence ko-clear_arp-07:00h at 07:00 recurring Router(config-kron-occurrence)# policy-list kpl-clear_arp Router(config-kron-occurrence)# exit Router(config)# kron occurrence ko-clear_arp-15:00h…

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TCL scripting for ARP table display

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ARP table display Original Url  # http://wiki.nil.com/ARP_table_display In a layer-3 switching environment, the ARP table displayed with the show arp command lists the logical (L3) interfaces, for example the VLAN or BVI interface. This Tcl script displays the logical as well as physical interface associated with each IP/MAC address. The show mac-address-table and show bridge commands are used to establish the mapping between MAC addresses and physical interfaces. The script has been tested on Catalyst 3500 switches running Cisco IOS release…

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EEM Script – Clear DHCP Bindings and Arp Cache

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EEM Script example to clear stuff in Cisco IOS I had to recently clear the DHCP Conflict log from a Cisco Router as it was filling up and not allowing devices to get back on the network in a specific situation. Well instead of doing it manually I just decided to give Cisco EEM Script a try. And it worked out pretty good :). Another scenario I used was clearing DHCP bindings and arp. EEM Script – Clear DHCP Conflict Log event manager applet CLEAR_DHCP_CONFLICT (This is applets…

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