[Openswan Users] Pushing routes to clients
Brian J. Murrell
brian at interlinx.bc.ca
Fri May 4 12:29:08 EDT 2012
On 12-05-04 07:01 AM, 5dxnea3pw8 at snkmail.com wrote:
> Pushing the routes from the xl2tpd or ppp on a per connection basis would be much more manageable.
Indeed. But alas, AFAIU, the PPP protocol is incapable of transmitting
> Is this possible or ever likely to be possible ?
I think I have seen it done with/by Mac OS/X using DHCPINFORM over the
established link. That is, once the VPN link comes up, the client sends
a DHCPINFORM to (where, I don't recall. The remote gateway address
probably?) the remote side and gets a DHCP response with the routes in it.
I tried to replicate this feature on a Linux client but limitations in
the ISC dhclient and where/how it can send DHCPINFORM requests made this
unworkable, sadly. It is indeed a nice feature.
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