From: 1cmpecho (1cmpecho@hotpop.com)
Date: Fri Jan 09 2004 - 13:56:40 GMT-3
rfc 2597 breaks out the af codepoints
rfc 2598 defines expedited forwarding
rfc 2697 defines assured forwarding
DSCP Service
0 Best effort
8 Class 1
10 Class 1, gold (AF11)
12 Class 1, silver (AF12)
14 Class 1, bronze (AF13)
16 Class 2
18 Class 2, gold (AF21)
20 Class 2, silver (AF22)
22 Class 2, bronze (AF23)
24 Class 3
26 Class 3, gold (AF31)
27 Class 3, silver (AF32)
30 Class 3, bronze (AF33)
32 Class 4
34 Class 4, gold (AF41)
36 Class 4, silver (AF42)
38 Class 4, bronze (AF43)
40 Express forwarding
48 Control
56 Control
in my 3550's, i create cos to dscp mappings for tos 3 to dscp 26 af 31 for
voip control traffic
and
tos 5 to a dscp of 46 - expedited forwarding?
The Expedited Forwarding service has a DSCP of 46.
DSCP Service
0 Best effort
8 Class 1
10 Class 1, gold (AF11)
12 Class 1, silver (AF12)
14 Class 1, bronze (AF13)
16 Class 2
18 Class 2, gold (AF21)
20 Class 2, silver (AF22)
22 Class 2, bronze (AF23)
24 Class 3
26 Class 3, gold (AF31)
27 Class 3, silver (AF32)
30 Class 3, bronze (AF33)
32 Class 4
34 Class 4, gold (AF41)
36 Class 4, silver (AF42)
38 Class 4, bronze (AF43)
40 Express forwarding
46 Expedited forwarding (EF)
48 Control
56 Control
At 09:46 AM 1/9/2004 -0600, Hoyle, Anthony (AL) wrote:
>Ok so I figured out there is no such thing as AF53...but what will it be?
>
>Hoyle
>
>-----Original Message-----
>From: Hoyle, Anthony (AL)
>Sent: Friday, January 09, 2004 10:42 AM
>To: 'Church, Chuck'; muhtari.adanan@bt.com; ccielab@groupstudy.com
>Subject: RE: CCIE Security Vs R&S
>
>
>I have a QOS question for everyone..suppose I have the following on my
>edge router right before my service provider (actual production Device):
>
>
>
>I have a local policy that contains the following in the route-map
>
>Set ip precedence critical
>Set ip tos max-throughput
>
>Now I know that ip precedence critical = 101 and the tos value is 110(low
>delay and high throughput /w normal reliability).
>Together they form DSCP value 101110 which is DSCP 46...But what is the
>assured forwarding value? Is it AF53,
>the only reason I guess 53 is because I know the previous value is
>43. But how do you mathematically calculate
>this? The reason I ask, is we are doing using random-detect based on DSCP
>values, and when I use the
>Show commands for the policy map, it shows the AF values /w drop
>probability etc...
>
>
>Help anyone...more for clarification on converting the DSCP values to AF
>values, -or is kind of follow the leader?
>
>
>Anthony Hoyle
>EDS
>WAN Infrastructure Analyst
>
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Church, Chuck
>Sent: Friday, January 09, 2004 8:14 AM
>To: muhtari.adanan@bt.com; ccielab@groupstudy.com
>Subject: RE: CCIE Security Vs R&S
>
>
>Interesting question. I don't think either one is technically harder than
>the other, although I think the list of equipment on the Security lab
>makes it tougher to study for, as finding IDSs, VPN concentrators, and the
>server software is much tougher than buying 2600s on EBay. There are also
>many more R&S CCIEs in the world than Security, so possibly it may easier
>to find a job with the Security. But then again, I don't see too many
>jobs that specifically mention 'R&S' or 'Security'. I believe that most
>employers feel that if you can pass one, the others wouldn't be too much
>of a stretch. Just my .02 though.
>
>Chuck Church
>CCIE #8776, MCNE, MCSE
>Wam!Net Government Services
>13665 Dulles Technology Dr. Ste 250
>Herndon, VA 20171
>Office: 703-480-2569
>Cell: 703-819-3495
>cchurch@wamnetgov.com
>PGP key:
>http://pgp.mit.edu:11371/pks/lookup?op=index&search=cchurch%40wamnetgov.com
>
> > -----Original Message-----
> > From: muhtari.adanan@bt.com [mailto:muhtari.adanan@bt.com]
> > Sent: Friday, January 09, 2004 5:12 AM
> > To: ccielab@groupstudy.com
> > Subject: CCIE Security Vs R&S
> >
> >
> > Hi,
> >
> > Which is perceived to be more difficult to attain CCIE Security or
> > R&S? And which is more financially rewarding?
> >
> >
> > Regards
> >
> > --------------------------------------------------------------
> > ------------------------------------------
> > Muhtari Adanan,
> > Design Engineer
> > BTexaCT
> >
> > * Tel: +44 (0) 1473 606482 * E-mail:
> > muhtari.adanan@bt.com
> > * fax: +44 (0) 1473 606727 * GSM: +44 (0)
> > 771 3514955
> > * BTExact,
> > Adastral Park, MLBG pp6, Orion Building, Martlesham
> > Heath, Ipswich, IP5 3RE
> > --------------------------------------------------------------
> > ------------------------------------------
> > British Telecommunications plc
> > Registered office: 81 Newgate Street London EC1A 7AJ Registered in
> > England no. 1800000 This electronic message contains information from
> > British Telecommunications
> > plc which may be privileged and confidential. The information
> > is intended to
> > be for the use of the individual(s) or entity named above. If
> > you are not
> > the intended recipient, be aware that any disclosure,
> > copying, distribution
> > or use of the contents of this information is prohibited. If you have
> > received this electronic message in error, please notify us
> > by telephone or
> > email (to the number or address above) immediately.
> > Activity and use of the British Telecommunications plc email system is
> > monitored to secure its effective operation and for other
> > lawful business
> > purposes. Communications using this system will also be
> > monitored and may be
> > recorded to secure effective operation and for other lawful business
> > purposes.
> >
> > ______________________________________________________________
> > _________
> > Please help support GroupStudy by purchasing your study materials
> > from: http://shop.groupstudy.com
> >
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>_______________________________________________________________________
>Please help support GroupStudy by purchasing your study materials from:
>http://shop.groupstudy.com
>
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
>
>_______________________________________________________________________
>Please help support GroupStudy by purchasing your study materials from:
>http://shop.groupstudy.com
>
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Mon Feb 02 2004 - 09:07:38 GMT-3