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Error in swapping vlans across interface in MX device #6

@Jainpriyal

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@Jainpriyal

Initially I configured two interface ge-0/0/0 and ge-0/0/1 part of Red vlan(vlan-d 510) and Blue vlan (vlan id 520)

% puppet agent --test
Info: Retrieving pluginfacts
Info: Retrieving plugin
ldapname is deprecated and will be removed in a future version
Info: Caching catalog for choc-mx240-b.englab.juniper.net
Info: Applying configuration version '1416298411'
Notice: /Stage[main]/Main/Netdev_l2_interface[ge-0/0/1]/ensure: created
Notice: /Stage[main]/Main/Netdev_l2_interface[ge-0/0/0]/ensure: created
Info: JUNOS: Committing 2 changes.
Notice: JUNOS: 

[edit interfaces ge-0/0/0]
+   flexible-vlan-tagging;
+   encapsulation flexible-ethernet-services;
+   unit 0 {
+       description "l2-interface ge-0/0/0 part of Red vlan";
+       family bridge {
+           interface-mode trunk;
+           vlan-id-list 510;
+       }
+   }
[edit interfaces ge-0/0/1]
+   flexible-vlan-tagging;
+   encapsulation flexible-ethernet-services;
+   unit 0 {
+       description "l2-interface ge-0/0/1 part of Blue vlan";
+       family bridge {
+           interface-mode trunk;
+           vlan-id-list 520;
+       }
+   }

Notice: JUNOS: OK: COMMIT success!
Notice: Finished catalog run in 3.10 seconds

When I am swapping interface across vlans it is giving error, Could not evaluate: Unknown VLAN by tag-id: 520 !

% puppet agent --test
Info: Retrieving pluginfacts
Info: Retrieving plugin
ldapname is deprecated and will be removed in a future version
Info: Caching catalog for choc-mx240-b.englab.juniper.net
Info: Applying configuration version '1416298463'
Error: /Stage[main]/Main/Netdev_l2_interface[ge-0/0/1]: Could not evaluate: Unknown VLAN by tag-id: 520 !
Notice: /Stage[main]/Main/Netdev_l2_interface[ge-0/0/0]/description: description changed 'l2-interface ge-0/0/0 part of Red vlan' to 'l2-interface ge-0/0/0 after swapping is part of Blue Vlan'
Notice: /Stage[main]/Main/Netdev_l2_interface[ge-0/0/0]/tagged_vlans: tagged_vlans changed '[Red]' to '[Blue]'
Info: JUNOS: Committing 1 changes.
Notice: JUNOS: 

[edit interfaces ge-0/0/0 unit 0]
-    description "l2-interface ge-0/0/0 part of Red vlan";
+    description "l2-interface ge-0/0/0 after swapping is part of Blue Vlan";
[edit interfaces ge-0/0/0 unit 0 family bridge]
-      interface-mode trunk;
-      vlan-id-list 510;
+      interface-mode trunk;
+      vlan-id-list 520;

Notice: JUNOS: OK: COMMIT success!
Notice: Finished catalog run in 2.79 seconds

Swapping vlans across interface is working fine in other devices ( qfx, EX4200, EX4300)

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