Configuration Guide

Table Of Contents
©2021 Extreme Networks, Inc. All rights reserved
October 2021
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21. VLAN and ISID Restrictions using TACACS+
via Identity Engines
For security concerns, customers may wish to restrict users from only entering specific VLAN and ISID
combinations. For example, for building x, an administrator wishes to only allow a local user to add VLANs
2000-2399 and only use I-SIDs 2002000-2002399. Regular expressions via Identity Engines TACACS+
Device Command Sets can be used to restrict specific ranges.
On a VSP 7000, ERS 5900, and ERS 4800 supports up 15 different TACACS+ levels are supported. For
each level, we can restrict what commands are allowed and or denied and also allow regular expressions
to restrict a command to a specific range. Please see the Management Access Security TCG, publication
number NN48500-594 for more details on how to configure TACACS+ and setting up IDE.
The VSP 4000/7200/8200 and VSP 9000 support up to 6 levels as per the table below. Please see the
Management Access Security TCG, publication number NN48500-650 for more details on how to configure
TACACS+ and setting up IDE.
VSP 4000/7200/8000/9000 TACACS+ Access Levels
Access Level Privilege Level
None 0 and 7 to 14
Read only
1
Layer 1 read write
2
Layer 2 read write
3
Layer 3 read write
4
Read write
5
Read write all
6
Read write all 15
VSP 4000/7200/8000 Enhanced Security TACACS+ Attributes
Access Level VSA Attribute 26 – Vendor Identifier 1584 Type 192 value
None-Access 0, 4, 5, 7 to 14
Auditor
1
Security
2
Operator
3
Privilege N/A – Not allowed by TACACS+
Admin
6
Admin 15