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DMVPN and EIGRP

Tue, 22 Apr 2008 21:41:20 +0000
DMVPN seems to be a very popular topic on the CCIE Security forums especially with running routing protocols over it. Below you’ll see 2 simple configs of a hub and spoke configured for DMVPN and EIGRP. These configs contain an error can you spot it?



R1#sh runBuilding configuration… Current configuration : 1628 bytes
!
version 12.2
service timestamps debug datetime ...]

Gatekeeper trunk redundancy

Wed, 02 Aug 2006 18:56:42 +0000
If you have two gatekeeper trunks, one in a G711 region and the other in a G729 region and you setup the Route list with G711 as the first priority and G729 as the second priority and the gatekeeper does not have enough bandwidth to process a G711 call, then it will fallback and use ...]

Implementing route reflectors and avoid loops with cluster-id or originator-id

Sat, 22 Nov 2008 20:56:58 +0000
What is a route reflector? What is a cluster-id or originator-id and why should i need id?
If you start google for cluster-id it will not bring up many explanations about what is a clusters in bgp. However it’s quite simple. Because you can have multiple route reflectors inside one AS and this might break the ...]

Voice Lab Changes Cometh…

Tue, 02 Dec 2008 10:31:45 +0000
The update has been announced - the voice lab is changing.
New details can be found here:
https://cisco.hosted.jivesoftware.com/docs/DOC-3569
The changes look quite interesting, I wonder how much of the current blueprint will be useful. I am glad for one that CallManger has been upated to something other than 4.1 (actually CUCM 7.0) and Im not sure if they ...]

Invalid Modulus Length

Tue, 02 Dec 2008 18:51:23 +0000
To help prep for an internal security audit, I needed to upgrade the IOS on a few 3800 series routers. Last night, I uploaded the 12.4(20)T image into each router and scheduled the reboot with a description:
reload in 2:30 IOS Upgrade for Security Audit
When I woke up this morning to check on the routers, ...]

CIR calculation

Sun, 09 Jul 2006 23:43:07 +0000
WHen calculating cir and mincir for FRTS, use 95 % of the CIR value. If CIR = 256k, it should be used as 256000. Do not multiply 256 with 1024.

A hét érdekeségei - December 9, 2008

Tue, 09 Dec 2008 05:05:42 +0000
Mobile operators extend options for cellular discounts

December 3, 2008
Random “Scenic Route Certification” thoughts

December 6, 2008
A Firefox tovább növelte a piaci részesedését
 

December 2, 2008
VMware ESX 3.5 és a Microsoft Hyper-V összehasonlítása

December 3, 2008
Listing open sockets on IOS

...]

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