I run a similar topology. On the tunnel interfaces I have "ip tcp adjust-mss 1452" and "tunnel path-mtu-discovery". No problems encountered; though the traffic profile is basic remote office file and print.
On Wed, Oct 9, 2013 at 9:30 AM, JP Senior <seni...@bennettjones.com> wrote: > Hey, all. > I'm looking at an option to consolidate and reduce complexity of a > multi-provider L3VPN network in a way that lets me also use internet-based > VPNs for backup. Right now I have dual provider uplinks at all of my sites > to provide me inter-office WAN connectivity. > > DMVPN is a nice and easy option where I can have everything run in a > single routing domain, drasticially simplifying my network topology. > > Has anyone experience with a network running in such a design? I am > concerned about increased latency, and worse, packet overhead. I'm not > sure I'll be able to get jumbos on these providers, so I'll have to deal > with ipsec/gre overhead. I don't do anything crazy blocking with ICMP, but > I'm still hesitant to move forward with such a design. > > -JP Senior > > The contents of this message may contain confidential and/or privileged > subject matter. If this message has been received in error, please contact > the sender and delete all copies. Like other forms of communication, > e-mail communications may be vulnerable to interception by unauthorized > parties. If you do not wish us to communicate with you by e-mail, please > notify us at your earliest convenience. In the absence of such > notification, your consent is assumed. Should you choose to allow us to > communicate by e-mail, we will not take any additional security measures > (such as encryption) unless specifically requested. > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- Alex Presse "How much net work could a network work if a network could net work?" _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/