You can now get the best of both worlds for your IP edge network: virtualization and specialized routing hardware. So your networks can be fully optimized with the right routing platform in the right network location for your chosen mix of services. The 7750 SR is a high-performance, multiservice IP edge router.
School of Medicine, Family Medicine answered. The symptoms of a silent migraine are usually visual disturbances, dizziness or nausea, without a headache. Silent migraines are very unusual because nearly all migraine attacks cause a headache and are therefore not considered silent migraines.
These feelings can last from 1 to 24 hours. Aura. The aura of migraine includes a wide range of neurological symptoms. This stage can last from 5 to 60 minutes, and usually happens before the headache. Migraine without aura does not include this stage. In some people, changes in the cortex area of the brain cause changes in their sight, such as dark spots, coloured spots, sparkles or âstarsâ, and zigzag lines.