Error DHCP FAILED APIPA IS BEING USING

[josueguzman]

I am getting this error on 4 computers that are in red.
Please help me.
This is the vlsm I used

[jonar.isip]

Can someone help me for this one.

[Martin L · Accepted solution]

you are not using ROAS, should you?  Perhaps not since you have 2 links Router to switch,  Router LPZ1-01 vlan 108 is in Dot1Q mode and that is a trunk to switch but LPZ1-01 interface vlan 104 is not in dot1Q mode so it should be an access config (not trunk) on L2 Sw 3 switch.   If you want Dot1Q trunk router to switch, use dot1Q on single interface with sub-interfaces on router.  If not, use access config on L2 switch.

So, if not ROAS, replace L2 Sw3 with

interface GigabitEthernet0/1

switchport access vlan 104

switchport mode access

!

interface GigabitEthernet1/1

switchport mode trunk

!

interface GigabitEthernet2/1

switchport mode trunk

!

then re-do ipconfig  /renew on PCs on left side. 

THen, you need static routes or routing protocol to exchange routes between routers

Regards, ML
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