Hello,
I am facing an issue with VSTP on my EX3400 switches Junos version 15.1X53-D58.3.
When 100 or more vlans are configured. The following config will result in error.
set protocols vstp interface ge-0/0/0 edge set protocols vstp interface ge-0/0/1 edge set protocols vstp interface ge-0/0/2 edge set protocols vstp interface ge-0/0/3 edge set protocols vstp interface ge-0/0/4 edge set protocols vstp interface ge-0/0/5 edge set protocols vstp interface ge-0/0/6 edge set protocols vstp interface ge-0/0/7 edge set protocols vstp interface ge-0/0/8 edge set protocols vstp interface ge-0/0/9 edge set protocols vstp interface ge-0/0/10 edge set protocols vstp interface ge-0/0/11 edge set protocols vstp interface ge-0/0/12 edge set protocols vstp interface ge-0/0/13 edge set protocols vstp interface ge-0/0/14 edge set protocols vstp interface ge-0/0/15 edge set protocols vstp interface ge-0/0/16 edge set protocols vstp interface ge-0/0/17 edge set protocols vstp interface ge-0/0/18 edge set protocols vstp interface ge-0/0/19 edge set protocols vstp interface ge-0/0/20 edge set protocols vstp interface ge-0/0/21 edge set protocols vstp interface ge-0/0/22 edge set protocols vstp interface ge-0/0/23 edge set protocols vstp interface ge-0/0/24 edge set protocols vstp interface ge-0/0/25 edge set protocols vstp interface ge-0/0/26 edge set protocols vstp interface ge-0/0/27 edge set protocols vstp interface ge-0/0/28 edge set protocols vstp interface ge-0/0/29 edge set protocols vstp interface ge-0/0/30 edge set protocols vstp interface ge-0/0/31 edge set protocols vstp interface ge-0/0/32 edge set protocols vstp interface ge-0/0/33 edge set protocols vstp interface ge-0/0/34 edge set protocols vstp interface ge-0/0/35 edge set protocols vstp interface ge-0/0/36 edge set protocols vstp interface ge-0/0/37 edge set protocols vstp interface ge-0/0/38 edge set protocols vstp interface ge-0/0/39 edge set protocols vstp interface ge-0/0/40 edge set protocols vstp interface ge-0/0/41 edge set protocols vstp interface ge-0/0/42 edge set protocols vstp interface ge-0/0/43 edge set protocols vstp interface ge-0/0/44 edge set protocols vstp interface ge-0/0/45 edge set protocols vstp interface ge-0/0/46 edge set protocols vstp interface ge-0/0/47 edge set protocols vstp vlan all interface all
root@test-swj-A1-1npA-2p# commit [edit protocols] 'vstp' xSTP:Trying to configure too many interfaces for given protocol error: configuration check-out failed
When I try different approach:
set protocols vstp vlan all interface ge-0/0/0 edge set protocols vstp vlan all interface ge-0/0/1 edge set protocols vstp vlan all interface ge-0/0/2 edge set protocols vstp vlan all interface ge-0/0/3 edge set protocols vstp vlan all interface ge-0/0/4 edge set protocols vstp vlan all interface ge-0/0/5 edge set protocols vstp vlan all interface ge-0/0/6 edge set protocols vstp vlan all interface ge-0/0/7 edge set protocols vstp vlan all interface ge-0/0/8 edge set protocols vstp vlan all interface ge-0/0/9 edge set protocols vstp vlan all interface ge-0/0/10 edge set protocols vstp vlan all interface ge-0/0/11 edge set protocols vstp vlan all interface ge-0/0/12 edge set protocols vstp vlan all interface ge-0/0/13 edge set protocols vstp vlan all interface ge-0/0/14 edge set protocols vstp vlan all interface ge-0/0/15 edge set protocols vstp vlan all interface ge-0/0/16 edge set protocols vstp vlan all interface ge-0/0/17 edge set protocols vstp vlan all interface ge-0/0/18 edge set protocols vstp vlan all interface ge-0/0/19 edge set protocols vstp vlan all interface ge-0/0/20 edge set protocols vstp vlan all interface ge-0/0/21 edge set protocols vstp vlan all interface ge-0/0/22 edge set protocols vstp vlan all interface ge-0/0/23 edge set protocols vstp vlan all interface ge-0/0/24 edge set protocols vstp vlan all interface ge-0/0/25 edge set protocols vstp vlan all interface ge-0/0/26 edge set protocols vstp vlan all interface ge-0/0/27 edge set protocols vstp vlan all interface ge-0/0/28 edge set protocols vstp vlan all interface ge-0/0/29 edge set protocols vstp vlan all interface ge-0/0/30 edge set protocols vstp vlan all interface ge-0/0/31 edge set protocols vstp vlan all interface ge-0/0/32 edge set protocols vstp vlan all interface ge-0/0/33 edge set protocols vstp vlan all interface ge-0/0/34 edge set protocols vstp vlan all interface ge-0/0/35 edge set protocols vstp vlan all interface ge-0/0/36 edge set protocols vstp vlan all interface ge-0/0/37 edge set protocols vstp vlan all interface ge-0/0/38 edge set protocols vstp vlan all interface ge-0/0/39 edge set protocols vstp vlan all interface ge-0/0/40 edge set protocols vstp vlan all interface ge-0/0/41 edge set protocols vstp vlan all interface ge-0/0/42 edge set protocols vstp vlan all interface ge-0/0/43 edge set protocols vstp vlan all interface ge-0/0/44 edge set protocols vstp vlan all interface ge-0/0/45 edge set protocols vstp vlan all interface ge-0/0/46 edge set protocols vstp vlan all interface ge-0/0/47 edge
It is committed without errors. My question is: what is the difference between those configs? Are their equivalent? Why does the first config fails?
This is just an example. Maybe you are wondering I have just too much vlans, but the problem is relevant when switches are in stack. With 5 switches in stack the vlan number limit is 20.