Is the Jungfraujoch included in the Eurail Pass?

If you have a Eurail Pass you get a 25% discount on the mountain trains from from the Kleine Scheidegg and to the Jungfraujoch ("Jungfraujochbahn") On the trains from Interlaken to Wengen and Grindelwald also a 25% discount is applicable. 

Eurail: 

Swiss Travel Pass: