ppp0 and ppp1 in my ifconfig for dsl internet connection in ubuntu 11.10 [closed]

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http://serverfault.com – I see two ppp connections, 1.ppp0 and 2.ppp1 in my ubuntu 11.10. I need to know why there are two ppp connections when I have only 1 ethernet card (eth0). Also, I have observed that dsl internet speed in ubuntu 11.10 is slower than that in Windows 7. I would need help in this as well to solve the issue of slow internet speed in ubuntu 11.10. Any suggestion/answer would be appreciated. Thank you Syed (HowTos)