Here i'll show how to configure DN42 peering via BGP on an old Extreme Networks [Summit 5i](http://docs.google.com/viewer?url=andovercg.com/datasheets/summit-5i-switches.pdf) routing switch. This how-to should be also applicable to any other 'i'-series switch. Other configuration info may be found [here](https://bitbucket.org/dukzcry/hobbies/src).
Looks like ExtremeWare doesn't support any tunneling mechanism in contrast to ExtremeWare IPv6 or ExtremeXOS operating systems. So you need either put your switch behind the router which will do tunneling with DN42 participant or directly connect the switch to our network, if that possible.
## Snipplet
This configuration was tested on latest EW of 7.8.4.1 patch1-r4 version. But it should work on most of older releases as well.