How to configure Dynamic Multipoint VPN (DMVPN)

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DMVPN stands for Dynamic Multipoint Virtual Private Network provides a secure, scalable network b y using IPsec encryption, generic routing encapsulation (GRE) and Next Hop Resolution Protocol (NHRP). How DMVPN works DMVPN building the IPsec and GRE connection is an easy and scalable solution. Hub router has a permanent tunnel to all spokes routers but not between spokes to spokes. A spoke can send their packet to others spokes using the NHRP server. Basic steps…

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ASA5510 to ASA5505 Easy VPN Server Client Configuration Sample

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A recent configuration of mine…thought I would save the template for future use. Useful if the ASA5505 has a dynamic IP where you can’t build a typical site-to-site VPN. ASA5510 Configuration (Easy VPN Server) ! Assumes local subnet = 10.223.0.0/24 ! Assumes remote subnet = 10.0.0.0/24 ! isakmp policies crypto isakmp enable outside crypto isakmp policy 10 authentication pre-share encryption aes-256 hash sha group 5 lifetime 86400 ! NAT exemptions access-list NONAT extended permit ip…

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MGCP Router Config Template

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! network-clock-select 1 T1 0/0/0->is required where there is an auto increase of sleep error in controllers. network-clock-participate wic 0–>required isdn switch-type primary-ni controller T1 0/0/0 cablelength long 0db framing esf linecode b8zs pri-group timeslots 1-24 service mgcp ===> number of channel which you want to use interface Serial0/0/0:23 no ip address encapsulation hdlc isdn switch-type primary-ni isdn incoming-voice voice isdn bind-l3 ccm-manager isdn send-alerting isdn sending-complete no cdp enable ! ccm-manager switchback immediate ccm-manager…

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CUE Integration with CME and CUCM

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  <<<<< CUE with UCM As per Cisco live configuration Recommendations ! dial-peer voice 3850 voip destination-pattern 3850 session protocol sip2 session target ipv4:177.1.250.254 dtmf-relay rtp-nte codec g711ulaw no vad ! Note: for cue make sure there is no vad cmd in the dial-peer and codec g711 otherwise it will not accept the call and check the dtmf when using with rtp-nte when ucm integration =================== Basic CUCME/CUE CLI ! telephony service voicemail 1120 web…

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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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