Re: Tunnel TOS for IPV6

From: Bob Sinclair (bob@bobsinclair.net)
Date: Sat Feb 25 2006 - 00:40:04 GMT-3


Chris,

EF is decimal 46 and binary 101110 in the most significant 6 bits of the TOS
byte.

To get the TOS Byte value, add two more zeros to the end and convert to
decimal as an 8-bit value.

10111000 or 184 decimal

HTH,

Bob Sinclair
CCIE #10427, CCSI 30427
www.netmasterclass.net

  ----- Original Message -----
  From: Chris Broadway
  To: ccielab@groupstudy.com
  Sent: Friday, February 24, 2006 10:08 PM
  Subject: Tunnel TOS for IPV6

  Task:

   traffic is originating in Area 6 IPV6 OPSF and going to area 25 IPV6 OSPF.
  There is an IPV6IP tunnel going through an ipv4 network connecting the two
  IPV6 areas. This tunnel is IPV6 area 0. I have the requirement to tagged
  all traffic going from area 6 destined for an IPV6 address with DSCP value
  EF. Any ideas what the TOS byte should be set to?

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