[c-nsp] Mac Incompatibility with PPPoE?

Stephen J. Wilcox steve at telecomplete.co.uk
Sat Oct 9 13:20:31 EDT 2004

what do 'ifconfig' and 'netstat -rn' look like on the mac?


On Sat, 9 Oct 2004, Patrick Bohannon wrote:

> Longshot here I know, but we're terminating SBC DSL on a 7204 VXR and using
> PPPoE for IP assignment, etc.  Clients using Windows-based PCs either
> directly connected to the DSL CPE or behind a router have no trouble
> whatsoever accessing the gateway and beyond.  To be more specific, in the
> case of either a 3rd-party router (pretty much any vendor) or Windows itself
> doing the PPPoE negotiation, there is no trouble.
> Clients using Macintosh OS X (many variants) can only ping to the gateway
> (the 7204 VXR loopback interface) but not beyond.
> More notes:
> * If I replace the Macintosh with a Windows-based PC on the _same DSL line_,
> using the _same IP address_, I can traffic to the Internet without a
> problem.  It's not line-specific.
> * I have manually set the MTU to 1492 using ifconfig in OS X.
> Has anyone see similar behavior, or have any suggestions for troubleshooting
> techniques?  Some of the relevant config is below:
> Thanks!
> interface Virtual-Template1
>  mtu 1492
>  ip unnumbered Loopback5
>  ip route-cache policy
>  ip route-cache flow
>  no ip route-cache cef
>  peer default ip address pool sbc_bton_pool
>  ppp authentication pap 
>  ppp chap refuse
>  ppp ipcp dns x.x.x.x x.x.x.x
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