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(traffic-engineering)=
# Traffic Engineering
Traffic Engineering (TE) is possibility to send traffic from node to node using
alternative path.
## Common link parameters
Traffic Engineering parameters are used for both IS-IS and OSPF (not supported
yet).
```{cfgcmd} set protocols traffic-engineering admin-group \<admin-group-name\> bit-position \<bit-position-value\>
Create Administrative group and associate bit position with it. These groups can be
used in the following commands.
\<bit-position-value\> can have value 0-31. There cannot be two groups with same bit position.
```
```{cfgcmd} set protocols traffic-engineering interface \<ifname\> admin-group \<admin-group-name\>
Set administrative group for interface \<ifname\>. Multiple values can be provided.
```
```{cfgcmd} set protocols traffic-engineering interface \<ifname\> max-bandwidth \<max-bandwidth-value-mbps\>
Set maximum bandwidth for interface \<ifname\>. Value given in Mbits per second.
```
```{cfgcmd} set protocols traffic-engineering interface \<ifname\> max-reservable-bandwidth \<max-reservable-bandwidth-value-mbps\>
Set maximum reservable bandwidth for interface \<ifname\>. Value given in Mbits per second.
```
## IS-IS TE Configuration
Traffic Engineering (TE) can be enabled and exported for IS-IS
using the following commands:
```{cfgcmd} set protocols isis traffic-engineering enable
Enable Traffic Engineering for IS-IS.
```
```{cfgcmd} set protocols isis traffic-engineering export
Export Traffic Engineering data to neighbors.
```
```{cfgcmd} set protocols isis traffic-engineering address \<ipv4-address\>
Configure IPv4 address for MPLS-TE.
```
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