Need more details.
Package?
Hub model?
What do the lights show/do when you have the issue?
Whats the problem?
Is it on an ethernet cable connection and/or wifi.
What devices are you using?
What have you already tried to resolve it?
Etc.
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John
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I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.