I merely was giving an example of what *could* be done - not necessarily of what *should* be done ;-)
On Sun, Jun 23, 2019 at 12:40 PM Stuart Henderson <s...@spacehopper.org> wrote: > > On 2019-06-22, Henry Bonath <he...@thebonaths.com> wrote: > > What about GRE(4) with a Cisco router on the other end? > > > > /etc/hostname.gre123: > > 1.1.1.1 1.1.1.2 netmask 255.255.255.252 up > > tunnel IP.OF.OB.SD IP.OF.I.OS > > > > Cisco IOS: > > ! > > interface Tunnel123 > > ip address 1.1.1.2 255.255.255.252 > > tunnel source GigabitEthernet0/0/1 > > tunnel destination IP.OF.OB.SD > > tunnel mode gre > > ! > > That's likely to work, at the expense of reduced MTU. But is it really > worth it? The main problem with ethernet interfaces and ospfd was a bug > with DR elections but that has been fixed for a while now. > >
