[AusNOG] Layer 2 NextG Product

[Ben Dale]

Hi Andrew,

There is no reason MPLS over GRE (assuming private APN, MPLSoGREoIPSEC if public APN) shouldn't work or plain old L2TPv3, MTU issues not withstanding.

Are you trying to make your BGP speakers adjacent?  If they are the same routers as the 3G interface is installed on, vanilla GRE will solve this issue at much lower CPU cost than IPSEC or any of the above.

I know we tried this on our Optus 3G product and when it didn't work were told that the Optus network won't route Layer 3 addresses other than the pushed framed-ip to a given 3G SIM.

This strikes me as odd unless Optus specifically filter BGP.  Is it something simpler like needing to enable BGP multi-hop on your peering sessions as they cross from the 3G network into whatever tail you have terminating them?

Cheers,

Ben

On 2 Jul 2014, at 12:34 pm, Andrew Yager <andrew at rwts.com.au<mailto:andrew at rwts.com.au>> wrote:

Hi,

Just double checking that no-one out there has managed to "convince" Telstra to sell them a Layer 2 Next G product? ;)

How are other people using NextG services to extend their Layer 2 networks? IPSec over NextG? Other? If this, what are people using as a head end (successfully) for the tunnels?

Has anyone successfully transmitted routes using BGP etc in this method?

I know we tried this on our Optus 3G product and when it didn't work were told that the Optus network won't route Layer 3 addresses other than the pushed framed-ip to a given 3G SIM.

Realise this is a 50 million question scenario…

Thanks,
Andrew

--
Andrew Yager, Managing Director   MACS (Snr) CP BCompSc MCP
Real World Technology Solutions Pty Ltd - IT people you can trust
ph: 1300 798 718 or (02) 9037 0500
fax: (02) 9037 0591
http://www.rwts.com.au/
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