JunOS : RT DEST 0.0.0.0 MASK 255.0.0.0 mask too short

By | October 15, 2012

You might notice this error trying to add a static route to your Juniper switch stack :

root@ir01# set routing-options rib inet.0 static route 0.0.0.0/00 next-hop 0.0.0.0
{master:0}[edit]
root@ir01# commit synchronize
[edit protocols]
'bgp'
[edit protocols]
'ospf3'
[edit routing-options rib inet.0 static]
'route 0.0.0.0/00'
RT: DEST: 0.0.0.0 MASK: 255.0.0.0 mask too short
error: configuration check-out failed

{master:0}[edit]
root@ir01#

 

This mean your subnet IP is incorrect. You probably used the first usable IP instead of the network IP.

Check you commitment rules using the following command :

show | compare

And then delete the bad static route you tried to apply :

delete routing-options rib inet.0 static route 0.0.0.0/00 next-hop 0.0.0.0

Commit the change :

commit synchronize

And enter your static route again with the proper parameter.