If you need to change the virtual IST PeerIp or VlanId, use this procedure to delete the vIST
first.
        
Note   
            
                - 
                    You must disable IS-IS globally before deleting a vIST, and then re-enable it
                        after creating a new vIST. 
- 
                    You do not have to set the SMLT peer system ID or the virtual B-MAC to 0
                        before you change the virtual IST peer IP address or VLAN ID number.  
 
Procedure
- Disable IS-IS globally. 
- In the navigation pane, expand the following folders: .
- Click the Globals tab.
- In the AdminState field, click off.
- Click Apply.
 
- Delete the
vIST.
- In the navigation pane, expand the following folders: .
- Click the Virtual IST tab.
- Click Apply.
 
- Create a
vIST:
- In the navigation pane, expand the following folders: .
- Click the Virtual IST tab.
- In the PeerIp field,
enter the peer IP address.
- In the VlanId field,
enter a VLAN ID.
- Click Apply.
 
- Enable IS-IS globally.
- In the navigation pane, expand the following folders: .
- Click the Globals tab.
- In the AdminState field, click on.
- Click Apply.