A CE router ( customer edge router ) is a router located on the customer premises that provides an Ethernet interface between the customer's LAN and the provider's core network. CE routers, P (provider) routers and PE (provider edge) routers are components in an MPLS (multiprotocol label switching) architecture.
Acute and chronic forms of invasive fungal sinusitis usually affect people with suppressed immune systems, such as that caused by cancer, chemotherapy drugs, or uncontrolled diabetes mellitus. Symptoms often include facial pain, eye swelling, blindness, fever and nose bleeds.
In this case, sinus infection starts with symptoms like stuffy nose, nasal discharge, facial pain and pressure, etc. Some people may experience loss of smell too. As the condition advances, symptoms like fever, fatigue, bad breath, and post nasal drip may occur. Even cough, dental pain, etc., are noted.