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  • DMVPN - Phase 2 vs. 3

    Hate to bring up old topics, but they are so cluttered. . . Could someone verify this for me? I've labbed up both Phases, read most of the posts on this, and here's my summary: Phase 1: Allows dynamic spoke-to-Hub VPN. Phase 2: Allows dynamic spoke-to-Hub VPN + spoke-to-spoke VPN via [Spoke-triggered...
  • Re: DMVPN Phase 3 default route doesn't make sense

    sg4rb0, When setting up DMVPN over the internet, if you want to backhaul all trafffic to the hubs, you have to: 1. Remove the default route to the carrier network. 2. Put in a static route at the spokes to reach the hub's public IP addresses, which allows the tunnel to build. 3. Then, let the default...
  • IPSEC Crypto-Map Configuration Example on the DOC CD

    Hello, I am looking for a copy and paste ready example of the IPSEC crypto-map configuration in the DOC CD. ANy help, thoughts or advise would be greatly appricated. The previous example and the one called out in the ATC videos appers to have been removed. Following the link below there is no text under...
  • Full Scale Lab 2 - DMVPN and BGP filter

    Hello guys, Has anyone experienced issues with the DMVPN config at step 6.1 in Full Scale Lab 2? The requirement is easy "Configure two DMVPN tunnels for sites X, Y and Z to reach Site W". The only issue is that at step 5.2 the requirement was "Configure R18 so that transit traffic between...
  • CCIEv5.ts.lab2.ticket 2

    Unless there is an error in the initial config, How the section below of the solution will resolve the issue. R7: router bgp 65004 address-family ipv4 neighbor 180.10.147.1 weight 4000 ! ip access-list standard 4 no 10 10 deny 180.10.153.0 This route is being received via Bgp. I resolved this ticket...
  • Re: DMVPN Cloud for RSv5 Rack

    [quote user="bengood24"] You shouldn't need a separate router for that. If I remember correctly, their setup has a VLAN (maybe it was 100?) and 169.254.x.x addressing for the NBMA addresses. [/quote] Thank you for your reply. In real world, do they use dedicated physical devices (or ISP...
  • DMVPN Cloud for RSv5 Rack

    As part of my CCIE RSv5 home lab, I installed r1 through r10 as CSR1000V virtual machines on my vmware ESXi hypervisor machine. Do I need to install another CSR1000V router to act as DMVPN cloud conntecting r1, r2, r3, r4 and r5 as shown on the topology map of the INE RSv5 rack? Thanks
  • EIGRP neighbor flapping in DMVPN

    Hi all; I'm working on a topology in which R6 is my DMVPN hub and routers R2, R8 and R10 are my DMVPN spokes. the IP addresses that are used as tunnel sources are reachable through BGP. Spoke routers use the IP of their physical outgoing interface as tunnel source, but R6 uses its Loopback0 (6.6...
    Posted to CCIE Routing & Switching Technical (Forum) by timaz on 09-24-2014
  • Re: OSPF problem on DMVPN

    On spoke interface tunnel1 ip nhrp nhs 12.0.0.2 and the default ospf network type of tunnel1(from what I just saw) is point-to-point. Are you sure that's what you want? It makes your priority statements null and void. Maybe broadcast? (If you're trying to bring up Phase 2 ) Do you know the effect...
    Posted to CCIE Routing & Switching Technical (Forum) by PaulB on 09-23-2014
  • LARGE MTU on tunnel interface

    Hi Everybody, I got a strange question today that I cannot answer, mabe somebody out there can help. Look at the show interface snapshot below Where does it get MTU 17878 bytes from and why is it there?? Thanks LD routerx#sh int tu1 Tunnel1 is up, line protocol is up Hardware is Tunnel Internet address...
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