The (2) scenarios is:
* L2TPv3 vc w/ no ecryption
vs.
* L2TPv3 vc w/ IPSec encryption (encapsulated inside of)
One can also do layer-2 VPN with MPLS, eg, AToM (EoMPLS), but I think
the initial thread was about L2TPv3 (layer-2 VPN inside native IP).
Persoanally I like the AToM/EoMPLS (or even VPLS) approach with the
many-to-many connections flexibility (vs. one-to-one connection
limitation with L2TPv3).
We have about a half-dozen sites on L2TPv3 but have considered
AToM/EoMPLS. Just in case your wondering Cisco TAC has far more
in-depth expertise w/ MPLS flavors as I've been told; when you run into
issues.
Good luck.
Regards,
Ge Moua | Email: [email protected]
Network Design Engineer
University of Minnesota | Networking & Telecommunications Services
Aaron wrote:
What does that have to do with L2TPv3?
On Thu, Jun 4, 2009 at 11:09, Ge Moua <[email protected]
<mailto:[email protected]>> wrote:
I've done testing for both:
* no encryption: ~ 980Mb
* encryption ~ 240 Mb
Performance dependent on router platform (in my case 7203 w/ NSE-100)
Encryption was on 7206 w/ NPE-G1 & VAM2+
Conclusion, performance limited to hardware used and not layer-1
link speed.
Regards,
Ge Moua | Email: [email protected] <mailto:[email protected]>
Network Design Engineer
University of Minnesota | Networking & Telecommunications Services
Chris Fournier wrote:
Does anyone use L2TPv3 over a gig link, and what is the
performance
overhead introduced? I've seen some numbers at the Cisco
website, but
these seem to reference encryption versus encapsulation.
Chris
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