The next step is configuring the ELB to route the traffic to EC2 instances in the added Availability Zone that is us-west-2c:
- From the EC2 dashboard navigation pane, click on Load Balancers:
![](http://images-20200215.ebookreading.net/11/2/2/9781787281066/9781787281066__learning-aws-__9781787281066__assets__577680a0-aa97-40b6-a18c-115dab20c9c3.png)
- Select the a1electronicsecommerce-elb load balancer and then click on the Edit Availability Zones button in the Instances tab:
![](http://images-20200215.ebookreading.net/11/2/2/9781787281066/9781787281066__learning-aws-__9781787281066__assets__2226b31a-2515-4ed7-a15f-418c5ed3b1bd.png)
- Click on the us-west-2c Availability Zone to add it to the ELB and click on the Save button:
![](http://images-20200215.ebookreading.net/11/2/2/9781787281066/9781787281066__learning-aws-__9781787281066__assets__d4b2187b-16b9-4397-8ea8-3abf3e06d7a2.png)
- You should see the following screen. The ELB starts routing the traffic to the EC2 instances in the us-west-2c zone:
![](http://images-20200215.ebookreading.net/11/2/2/9781787281066/9781787281066__learning-aws-__9781787281066__assets__353b873f-4964-48c3-b9bd-1abcedb02a3e.png)