[Solved] % WAN interface is DSL Problem on Cisco 867VAE-K9 Router Branch WAN ISP Router

Hi,

I'm Sujoy from India and today I'll tell you how to fix a problem with Cisco 867VAE-K9 router. While configuring IP address and giving no shutdown command on GigabitEthernet1 interface, I got the error message % WAN interface is DSL and could not enable the interface. How did I fix it? Read below.

Physical overview of Cisco 867VAE-K9

If you look at the picture, you'll see the GE1 (GigabitEthernet1) is marked as WAN. So why can't I assign an IP address on that? Because Cisco 867VAE-K9 router supports both DSL and Ethernet medium for WAN connectivity, and DSL is default. So you've to convert it to Ethernet by giving command- Router(config)#wan mode ethernet
Below is the command output captured using PuTTy. Notice I've set speed to 10 (Mbps). Sometimes you need to manually set speed to 10Mbps and duplex full or as instructed by your ISP.

Router(config)#wan mode ethernet
% DSL interfaces will be disabled.
Router(config)#
*Mar  9 10:39:06.907: %CONTROLLER-5-UPDOWN: Controller VDSL 0, changed state to administratively down
Router(config)#int gigabitEthernet 1
Router(config-if)#ip address 10.75.0.162 255.255.255.252
Router(config-if)#no shut
Router(config-if)#
*Mar  9 10:41:05.979: %LINK-3-UPDOWN: Interface GigabitEthernet1, changed state to up
Router(config-if)#speed 10
Router(config-if)#duplex full

Don't forget to save changes by write command after all configurations are done by command- Router# write

ONE ANNOUNCEMENT!

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