Need Help Setting Up WAN in Cisco Packet Tracer

[Enes Simnica]

hello @nrodd69 that is a sick lab, i love it/ Alright, It looks like ur WAN link between Admin/Building A and Building C is down because the serial interfaces on both ends (Building A S0/0/1 and Building C S0/0/0) are showing down/down. This usually means there’s either no proper clocking on the DCE side, incorrect encapsulation, or the serial connection isn’t actually linked in Packet Tracer. 

I will troubleshoot ur topology after 2 or 3 hours, and will paste here the solution...

Till then, grab some coffee, and enjoy....

-Enes

[nrodd69]

Oh sorry, I got it re configured. Ill send my updated file here. I think I am having a problem with the Static IP from Admin to Building C (SABM Building on the updated file).

[nrodd69]

Hello again, I already checked the clocking and confirmed that the Building C Serial0/0/0 is DCE and has a clock rate set (I even tried setting clock rate 64000 manually).
Physically, the Serial 0/0/1 on Admin is connected to cloud port 0, and Serial 0/0/0 on SABM is connected to cloud port 1. The cloud device is powered on.

But the interface rotocols on both side still show as down.

Could his be a problem with how im connecting the cloud device? or is there something else I should check?

Thanks in advance for any tips!

[M02@rt37 · Accepted solution]

Hello @nrodd69 

The serial WAN link between building A and C is down! Since both ends are currently down/down, there’s a possible clocking issue, not just an IP config issue... Double check if only one side provide the clock signal. Only the DCE end needs to provide clocking with the clock rate command.