Reference Guide
Intermediate System to Intermediate System (IS-IS) | 933
Command
History
Usage
Information
If you enter the metric-style wide command, the FTOS generates and accepts only new-style TLVs. 
The router uses less memory and other resources rather than generating both old-style and new-style 
TLVs.
The new-style TLVs have wider metric fields than old-style TLVs.
Related
Commands
multi-topology 
e 
Enables Multi-Topology IS-IS. It also allows enabling/disabling of old and new style TLVs for IP 
prefix information in the LSPs.
Syntax
multi-topology [transition]
To return to a single topology configuration, enter no multi-topology [transition].
Parameters
Defaults
Disabled
Command Mode
CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6
Command
History
net 
e 
Use this mandatory command to configure an IS-IS network entity title (NET) for a routing process. If 
a NET is not configured, the IS-IS process will not start. 
Syntax
net network-entity-title
To remove a net, enter no net network-entity-title.
Parameters
Defaults
Not configured.
Command Modes
ROUTER ISIS
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
isis metric Use this command to configure a metric for an interface.
transition
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 7.8.1.0 Introduced 
network-entity-title
Specify the area address and system ID for an IS-IS routing process. The first 1 
to 13 bytes identify the area address. The next 6 bytes identify the system ID. 
The last 1 byte is the selector byte, always identified as zero zero (00). This 
argument can be applied to an address or a name.










