Re: [c-nsp] L2 over L3 scenario

2015-10-23 Thread Ge Moua
+1 for holistically thinking about the MTU issues (as the L2TPv3 headers shrinks the size of the payload of a std 1500 mtu, worse yet if you add ipsec on top of that for a "secure pseudowire" type setup) Overlay features akin to VxLAN and eVPN were not mature at the time, but I would at least

Re: [c-nsp] L2 over L3 scenario

2015-10-23 Thread james list
Thanks guys 2015-10-23 10:37 GMT+02:00 james list : > Dear experts, > > a customer of mine is looking for a solution to stretch L2 point2point > links over its L3 flat infrastructure, basically it has some L3 6500 > switches making its WAN networks and as routing protocol is using eBGP over > the

Re: [c-nsp] L2 over L3 scenario

2015-10-23 Thread John Kougoulos
Hi, On Fri, Oct 23, 2015 at 10:37 AM, james list wrote: > > I’d like to share experience, receive suggestions if any, alternatives if > any, recommendations, scalability numbers if any, etc. > Make sure to handle the MTU appropriately or your routers will start fragmenting packets Regards, Jo

Re: [c-nsp] L2 over L3 scenario

2015-10-23 Thread James Bensley
On 23 October 2015 at 10:29, James Bensley wrote: > A load of bollocks I forgot, these are some notes I took during labs; http://null.53bits.co.uk/index.php?page=mst-refresh http://null.53bits.co.uk/index.php?page=l2tpv3-port-based-xconnect http://null.53bits.co.uk/index.php?page=l2tpv3-rpw I

Re: [c-nsp] L2 over L3 scenario

2015-10-23 Thread James Bensley
On 23 October 2015 at 09:37, james list wrote: > > Which are current Cisco device supporting L2TPv3 ? > > > I’d like to share experience, receive suggestions if any, alternatives if > any, recommendations, scalability numbers if any, etc. L2TPv3 works fairly well (better than I expected). I did s

[c-nsp] L2 over L3 scenario

2015-10-23 Thread james list
Dear experts, a customer of mine is looking for a solution to stretch L2 point2point links over its L3 flat infrastructure, basically it has some L3 6500 switches making its WAN networks and as routing protocol is using eBGP over the wan links (no IGP at all... argh...). On top of the requested