Configure and Monitor 400ZR and 400G OpenZR+ Coherent Optics

date_range 13-Jan-25

In configuration mode, go to the [edit interfaces interface-name] hierarchy.
```
[edit]
user@host# edit interfaces interface-name 
```
Include the speed statement at the [edit interfaces interface-name] hierarchy level to configure the speed.
```
[edit interfaces interface-name]
user@host# set speed (400g | 100g);
```
Configure speed and channelization.
```
[edit interfaces interface-name]
user@host# set number-of-sub-ports <number-of-sub-ports>
```
You must use [edit chassis fpc fpc-slot pic pic-number] set number-of-sub-ports number-of-sub-ports hierarchy to configure speed and channelization.

Configure a different application for a speed.

Change to the [edit interfaces interface-name optics-options].

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[edit interfaces interface-name]
user@host# edit interfaces interface-name optics-options

Execute the following command in this hierarchy.

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user@host# set interfaces <interface> optics-options application hostid <hostid> mediaid <mediaid> [domainid
<domainid>]

[Optional] Configure output power in the [edit interfaces interface-name optics-options] hierarchy level. If in channelized mode, you must use the first sub-port to configure output power.
```
user@host# set interface et-<interface> optics-option tx-power <tx power> 
```
Example:
```
user@host# set interfaces et-0/0/0:0 optics-options tx-power -10
```
Specify the wavelength of optics in nm. If in channelized mode, you must use the first sub-port to configure wavelength.
```
[edit interfaces interface-name optics-options] 
user@host# set wavelength nm
```
Example:
```
user@host# set interfaces et-0/0/0:0 optics-options wavelength 1552.52
```
To view the current and historical performance metrics, use the show interfaces transport pm command. See show interfaces transport pm.

Ethernet Interfaces User Guide for Routing Devices

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