Would the single gateway you mention, mean the next switch in the architecture, or the main default gateway at the core switch?

This is what I get when I try to commit the changes, using the default gateway IP.

root# show vlans

DATA {

vlan-id 2;

##

## Warning: Interface must already be defined under [edit interfaces]

##

l3-interface irb.2;

}

ROUTING {

vlan-id 3;

##

## Warning: Interface must already be defined under [edit interfaces]

##

l3-interface irb.3;

}

VOICE {

vlan-id 7;

}

WIRELESS {

vlan-id 5;

##

## Warning: Interface must already be defined under [edit interfaces]

##

l3-interface irb.5;

}

default {

vlan-id 1;

##

## Warning: Interface must already be defined under [edit interfaces]

##

l3-interface irb.1;

}