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Old 07-16-2005, 01:50 PM   #1
Registered: Jul 2003
Location: Cairo, Egypt
Distribution: CentOS, RHEL, Debian, FreeBSD
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How to activate sit0 interface?

hi, i want to know what is sit0 is used for, and how to activate it and where are the configuration files of this interface?

sit0      Link encap:IPv6-in-IPv4
          UP RUNNING NOARP  MTU:1480  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
Does this affect # mii-tool, because when i do mii-tool

# mii-tool
  No MII transceiver present!.
eth1: negotiated 100baseTx-FD, link ok
How could i solve this problem?
Old 07-16-2005, 02:32 PM   #2
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Location: Costa Rica
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I think sit is brought back to live automatically by the kernel.

Check the information on IPROUTE2 (

Last edited by eantoranz; 07-16-2005 at 02:40 PM.
Old 09-27-2006, 02:55 PM   #3
Registered: Mar 2006
Posts: 47

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You can activate it using

# /sbin/ifconfig sit0 up

To deactivate,

# /sbin/ifconfig sit0 down

Don't know about mii-tools but put it down and see if mii-tools work and then see result after bringing it up you should know.


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