The Journey of a Network Engineer:



September 10, 2013  4:15 AM

How to configure Cisco DMVPN? Part-3

Posted by: Sulaiman Syed
ASA, Cisco, configuration, DMVPN, GRE, HUB, ipsec, mGRE

We have seen how in the first part how DMVPN works, the dynamic tunnels and how we can peer Spokes to each other to allow direct traffic. But all will fail if our Hub goes down, as it is critical in keeping the DMVPN network up. For redundancy Dual Hub DMVPN networks were designed, we would look at...

August 18, 2013  12:15 AM

How to configure Cisco DMVPN? Part-1

Posted by: Sulaiman Syed
ARP, Cisco, Configure, DMVPN, how, mGRE, route, Tunnel, vpn

Configuring Site-to-Site VPN although straight forward, but it fails to scale. just imagine how many tunnels should be created to connected to 10 sites, specially if...

July 17, 2011  2:37 AM

GRE Tunnel ARP entry never times out! – part 3

Posted by: Sulaiman Syed
ARP, bug, Cisco, clear, CSCsa83049, CSCtf16300, entry, ios, mGRE, TAC, Tunnel, wireless, WLSM

For people who were following on this issue, i would like to post some updates. But before that, you can read what is the problem by going to GRE Tunnel ARP entry...

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