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Traffic Marking Query

scottmanzie1
Level 1
Level 1

Hi

 

I have the requirement to mark traffic sourced from 4 IP addresses destination ANY as AF1 before it is transmitted acorss the MPLS network - this is at the host site on the network.  Easily done using an ACL on the host router

 

My query is around the reverse path, there are a large number of sites that will use these servers - assuming the remote site LAN's are all configured accordingly to trust and MPLS is all ok - is the ToS value going to be retained on the reverse path, or am I looking at it putting

access-lists

on all the remote sites using 4 IP's as a destination

 

Have had mixed replies - some saying it will retain, some say it won't, some think application dependant

 

Thanks

1 Accepted Solution

Accepted Solutions

Joseph W. Doherty
Hall of Fame
Hall of Fame

Disclaimer

The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.

Liability Disclaimer

In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.

Posting

It's application dependent.  I.e. you may (likely) need marking ACLs on the far side too.

View solution in original post

1 Reply 1

Joseph W. Doherty
Hall of Fame
Hall of Fame

Disclaimer

The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.

Liability Disclaimer

In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.

Posting

It's application dependent.  I.e. you may (likely) need marking ACLs on the far side too.

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