أوضاع الاتصال النفقي DiffServ لشبكات MPLS

!--- This configuration maps the IP Precedence !--- of the incoming IP packets to the MPLS EXP bits.

class-map match-all IP-AF11
  match ip precedence 0 
class-map match-all IP-AF12
  match ip precedence 1 
class-map match-all IP-AF21
  match ip precedence 2 
class-map match-all IP-AF22
  match ip precedence 3 
class-map match-all IP-AF31
  match ip precedence 4 
class-map match-all IP-AF32
  match ip precedence 5 

class-map match-all MPLS-AF11
  match mpls experimental topmost 0 
class-map match-all MPLS-AF12
  match mpls experimental topmost 1 
class-map match-all MPLS-AF21
  match mpls experimental topmost 2 
class-map match-all MPLS-AF22
  match mpls experimental topmost 3 
class-map match-all MPLS-AF31
  match mpls experimental topmost 4 
class-map match-all MPLS-AF32
  match mpls experimental topmost 5 

policy-map set-MPLS-PHB
  class IP-AF11
   police 8000 conform-action set-mpls-exp-imposition-transmit
                                          0 exceed-action drop 
  class IP-AF12
   police 10000 conform-action set-mpls-exp-imposition-transmit
             1 exceed-action set-mpls-exp-imposition-transmit 0
  class IP-AF21
   police 12000 conform-action set-mpls-exp-imposition-transmit
             2 exceed-action set-mpls-exp-imposition-transmit 1
  class IP-AF22
   police 12000 conform-action set-mpls-exp-imposition-transmit
             3 exceed-action set-mpls-exp-imposition-transmit 2
  class IP-AF31
   police 12000 conform-action set-mpls-exp-imposition-transmit
             4 exceed-action set-mpls-exp-imposition-transmit 3
  class IP-AF32
   police 12000 conform-action set-mpls-exp-imposition-transmit
             5 exceed-action set-mpls-exp-imposition-transmit 4

policy-map output-qos
  class MPLS-AF11
   bandwidth percent 5
   random-detect
  class MPLS-AF12
   bandwidth percent 10
   random-detect
  class MPLS-AF21
   bandwidth percent 10
   random-detect
  class MPLS-AF22
   bandwidth percent 15
   random-detect
  class MPLS-AF31
   bandwidth percent 20
   random-detect
  class MPLS-AF32
   bandwidth percent 30
   random-detect

interface Ethernet0/0
 ip address 192.168.0.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output output-qos
 tag-switching ip
!
interface Ethernet1/0
 ip vrf forwarding v1
 ip address 10.0.0.2 255.255.255.0
 service-policy input set-MPLS-PHB
!

!--- This configuration swaps the top label from 3 to 2, !--- which does not need to occur to follow the previous configuration.

class-map match-all mpls-in
  match mpls experimental topmost 3 
!                 
policy-map mpls-in
  class mpls-in
   set mpls experimental topmost 2
!
interface Ethernet0/0
 ip address 192.168.1.1 255.255.255.0
 tag-switching ip
!         
interface Ethernet1/0
 ip address 192.168.0.2 255.255.255.0
 service-policy input mpls-in
 tag-switching ip
!

!--- Remember to copy down the MPLS EXP value !--- from the newly exposed label after the PHP.

class-map match-all MPLS-AF11
  match mpls experimental topmost 0 
class-map match-all MPLS-AF12
  match mpls experimental topmost 1 
class-map match-all MPLS-AF21
  match mpls experimental topmost 2 
class-map match-all MPLS-AF22
  match mpls experimental topmost 3 
class-map match-all MPLS-AF31
  match mpls experimental topmost 4 
class-map match-all MPLS-AF32
  match mpls experimental topmost 5 
!
class-map match-all qos-group-AF11
  match qos-group 0
class-map match-all qos-group-AF12
  match qos-group 1
class-map match-all qos-group-AF21
  match qos-group 2
class-map match-all qos-group-AF22
  match qos-group 3
class-map match-all qos-group-AF31
  match qos-group 4
class-map match-all qos-group-AF32
  match qos-group 5
!
policy-map qos-group-in
  class MPLS-AF11
   set qos-group mpls experimental topmost
  class MPLS-AF12
   set qos-group mpls experimental topmost
  class MPLS-AF21
   set qos-group mpls experimental topmost
  class MPLS-AF22
   set qos-group mpls experimental topmost
  class MPLS-AF31
   set qos-group mpls experimental topmost
  class MPLS-AF32
   set qos-group mpls experimental topmost
!
policy-map qos-group-out
  class qos-group-AF11
   bandwidth percent 5
   random-detect
   set mpls experimental topmost qos-group
  class qos-group-AF12
   bandwidth percent 10
   random-detect
   set mpls experimental topmost qos-group
  class qos-group-AF21
   bandwidth percent 10
   random-detect
   set mpls experimental topmost qos-group
  class qos-group-AF22
   bandwidth percent 15
   random-detect
   set mpls experimental topmost qos-group
  class qos-group-AF31
   bandwidth percent 20
   random-detect
   set mpls experimental topmost qos-group
  class qos-group-AF32
   bandwidth percent 30
   random-detect
   set mpls experimental topmost qos-group
!
interface Ethernet0/0
 ip address 192.168.2.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output qos-group-out
 tag-switching ip
!
interface Ethernet1/0
 ip address 192.168.1.2 255.255.255.0
 service-policy input qos-group-in
 tag-switching ip
!

!--- Remember to copy down the MPLS EXP bits to the IP Precedence !--- of the newly exposed IP packet.

class-map match-all MPLS-AF11
  match mpls experimental topmost 0 
class-map match-all MPLS-AF12
  match mpls experimental topmost 1 
class-map match-all MPLS-AF21
  match mpls experimental topmost 2 
class-map match-all MPLS-AF22
  match mpls experimental topmost 3 
class-map match-all MPLS-AF31
  match mpls experimental topmost 4 
class-map match-all MPLS-AF32
  match mpls experimental topmost 5 
!
class-map match-all qos-group-AF11
  match qos-group 0
class-map match-all qos-group-AF12
  match qos-group 1
class-map match-all qos-group-AF21
  match qos-group 2
class-map match-all qos-group-AF22
  match qos-group 3
class-map match-all qos-group-AF31
  match qos-group 4
class-map match-all qos-group-AF32
  match qos-group 5
!
policy-map qos-group-in
  class MPLS-AF11
   set qos-group mpls experimental topmost
  class MPLS-AF12
   set qos-group mpls experimental topmost
  class MPLS-AF21
   set qos-group mpls experimental topmost
  class MPLS-AF22
   set qos-group mpls experimental topmost
  class MPLS-AF31
   set qos-group mpls experimental topmost
  class MPLS-AF32
   set qos-group mpls experimental topmost
!
policy-map qos-group-out
  class qos-group-AF11
   bandwidth percent 5
   random-detect
   set precedence qos-group
  class qos-group-AF12
   bandwidth percent 10
   random-detect
   set precedence qos-group
  class qos-group-AF21
   bandwidth percent 10
   random-detect
   set precedence qos-group
  class qos-group-AF22
   bandwidth percent 15
   random-detect
   set precedence qos-group
  class qos-group-AF31
   bandwidth percent 20
   random-detect
   set precedence qos-group
  class qos-group-AF32
   bandwidth percent 30
   random-detect
   set precedence qos-group
!
interface Ethernet0/0
 ip vrf forwarding v1
 ip address 10.0.1.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output qos-group-out
!
interface Ethernet1/0
 ip address 192.168.2.2 255.255.255.0
 service-policy input qos-group-in
 tag-switching ip
!

!--- On input, the IP Precedence is copied to the MPLS EXP !--- on label imposition and when leaving the router, the !--- MPLS EXP bits are used to classify the traffic into three !--- traffic classes—gold, silver, and bronze (the topmost).

class-map match-all IP-AF22
  match ip precedence 0 1
class-map match-all IP-AF31
  match ip precedence 2 3
class-map match-all IP-AF32
  match ip precedence 4 5
!
class-map match-all bronze
  match mpls experimental topmost 2 3
class-map match-all silver
  match mpls experimental topmost 4 
class-map match-all gold
  match mpls experimental topmost 5
!
policy-map set-MPLS-PHB
  class IP-AF22
   police 12000 conform-action set-mpls-exp-imposition-transmit 
             3 exceed-action set-mpls-exp-imposition-transmit 2
  class IP-AF31
   police 12000 conform-action set-mpls-exp-imposition-transmit 
             4 exceed-action set-mpls-exp-imposition-transmit 3
  class IP-AF32
   police 12000 conform-action set-mpls-exp-imposition-transmit 
             5 exceed-action set-mpls-exp-imposition-transmit 4
!
policy-map output-qos
  class gold
   bandwidth 40
   random-detect
  class silver
   bandwidth 30
   random-detect
  class bronze
   bandwidth 20
   random-detect
!
interface Ethernet0/0
 ip address 192.168.0.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output output-qos
 tag-switching ip
!
interface Ethernet1/0
 ip vrf forwarding v1
 ip address 10.0.0.2 255.255.255.0
 service-policy input set-MPLS-PHB
!

!--- This configuration swaps the top label from 4 to 5, !--- which does not need to occur to follow the previous configuration.

class-map match-all mpls-in
  match mpls experimental topmost 4
!                
policy-map mpls-in
  class mpls-in
   set mpls experimental topmost 5
!
interface Ethernet0/0
 ip address 192.168.1.1 255.255.255.0
 tag-switching ip
!        
interface Ethernet1/0
 ip address 192.168.0.2 255.255.255.0
 service-policy input mpls-in
 tag-switching ip
!

!--- Remember to copy down the MPLS EXP value from !--- the newly exposed label after the PHP.

class-map match-all MPLS-AF11
  match mpls experimental topmost 0 
class-map match-all MPLS-AF12
  match mpls experimental topmost 1 
class-map match-all MPLS-AF21
  match mpls experimental topmost 2 
class-map match-all MPLS-AF22
  match mpls experimental topmost 3 
class-map match-all MPLS-AF31
  match mpls experimental topmost 4 
class-map match-all MPLS-AF32
  match mpls experimental topmost 5 
!
class-map match-all gold
  match qos-group 5
class-map match-all silver
  match qos-group 4
class-map match-all bronze
  match qos-group 3
  match qos-group 2
!
policy-map qos-group-in
  class MPLS-AF11
   set qos-group mpls experimental topmost
  class MPLS-AF12
   set qos-group mpls experimental topmost
  class MPLS-AF21
   set qos-group mpls experimental topmost
  class MPLS-AF22
   set qos-group mpls experimental topmost
  class MPLS-AF31
   set qos-group mpls experimental topmost
  class MPLS-AF32
   set qos-group mpls experimental topmost
!
policy-map qos-group-out
  class gold
   bandwidth 40
   random-detect
   set mpls experimental topmost qos-group
  class silver
   bandwidth 30
   random-detect
   set mpls experimental topmost qos-group
  class bronze
   bandwidth 20
   random-detect
   set mpls experimental topmost qos-group
!
interface Ethernet0/0
 ip address 192.168.2.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output qos-group-out
 tag-switching ip
!
interface Ethernet1/0
 ip address 192.168.1.2 255.255.255.0
 service-policy input qos-group-in
 tag-switching ip
!

!--- Remember to queue the newly exposed IP packet based in !--- the MPLS EXP bits of the label we just removed. Use !--- qos-groups to keep track of this value.

class-map match-all MPLS-AF11
  match mpls experimental topmost 0 
class-map match-all MPLS-AF12
  match mpls experimental topmost 1 
class-map match-all MPLS-AF21
  match mpls experimental topmost 2 
class-map match-all MPLS-AF22
  match mpls experimental topmost 3 
class-map match-all MPLS-AF31
  match mpls experimental topmost 4 
class-map match-all MPLS-AF32
  match mpls experimental topmost 5 
!
class-map match-all gold
  match qos-group 5
class-map match-all silver
  match qos-group 4
class-map match-all bronze
  match qos-group 3
  match qos-group 2
!
policy-map qos-group-in
  class MPLS-AF11
   set qos-group mpls experimental topmost
   set discard-class 0
  class MPLS-AF12
   set qos-group mpls experimental topmost
   set discard-class 1
  class MPLS-AF21
   set qos-group mpls experimental topmost
   set discard-class 2
  class MPLS-AF22
   set qos-group mpls experimental topmost
   set discard-class 3
  class MPLS-AF31
   set qos-group mpls experimental topmost
   set discard-class 4
  class MPLS-AF32
   set qos-group mpls experimental topmost
   set discard-class 5
!
policy-map qos-group-out
  class gold
   bandwidth 40
   random-detect discard-class-based
  class silver
   bandwidth 30
   random-detect discard-class-based
  class bronze
   bandwidth 20
   random-detect discard-class-based
!
interface Ethernet0/0
 ip vrf forwarding v1
 ip address 10.0.1.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output qos-group-out
!
interface Ethernet1/0
 ip address 192.168.2.2 255.255.255.0
 service-policy input qos-group-in
 tag-switching ip
!

!--- On input, the IP Precedent is copied to the MPLS EXP !--- on label imposition. When leaving the router, the !--- MPLS EXP bits are used to classify the traffic into three !--- traffic classes—gold, silver and bronze (the topmost). 

class-map match-all IP-AF22
  match ip precedence 0 1
class-map match-all IP-AF31
  match ip precedence 2 3
class-map match-all IP-AF32
  match ip precedence 4 5
!
class-map match-all bronze
  match mpls experimental topmost 2 3
class-map match-all silver
  match mpls experimental topmost 4 
class-map match-all gold
  match mpls experimental topmost 5
!
policy-map set-MPLS-PHB
  class IP-AF22
   police 12000 conform-action set-mpls-exp-imposition-transmit 
             3 exceed-action set-mpls-exp-imposition-transmit 2
  class IP-AF31
   police 12000 conform-action set-mpls-exp-imposition-transmit 
             4 exceed-action set-mpls-exp-imposition-transmit 3
  class IP-AF32
   police 12000 conform-action set-mpls-exp-imposition-transmit 
             5 exceed-action set-mpls-exp-imposition-transmit 4
!
policy-map output-qos
  class gold
   bandwidth 40
   random-detect
  class silver
   bandwidth 30
   random-detect
  class bronze
   bandwidth 20
   random-detect
!
interface Ethernet0/0
 ip address 192.168.0.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output output-qos
 tag-switching ip
!
interface Ethernet1/0
 ip vrf forwarding v1
 ip address 10.0.0.2 255.255.255.0
 service-policy input set-MPLS-PHB
!

!--- This configuration swaps the top label from 4 to 5, !--- which does not need to occur to follow the previous configuration.

class-map match-all mpls-in
  match mpls experimental topmost 4
!                
policy-map mpls-in
  class mpls-in
   set mpls experimental topmost 5
!
interface Ethernet0/0
 ip address 192.168.1.1 255.255.255.0
 tag-switching ip
!        
interface Ethernet1/0
 ip address 192.168.0.2 255.255.255.0
 service-policy input mpls-in
 tag-switching ip
!

!--- Remember to copy down the MPLS EXP value from !--- the newly exposed label after the PHP.

class-map match-all MPLS-AF11
  match mpls experimental topmost 0 
class-map match-all MPLS-AF12
  match mpls experimental topmost 1 
class-map match-all MPLS-AF21
  match mpls experimental topmost 2 
class-map match-all MPLS-AF22
  match mpls experimental topmost 3 
class-map match-all MPLS-AF31
  match mpls experimental topmost 4 
class-map match-all MPLS-AF32
  match mpls experimental topmost 5 
!
class-map match-all gold
  match qos-group 5
class-map match-all silver
  match qos-group 4
class-map match-all bronze
  match qos-group 3
  match qos-group 2
!
policy-map qos-group-in
  class MPLS-AF11
   set qos-group mpls experimental topmost
  class MPLS-AF12
   set qos-group mpls experimental topmost
  class MPLS-AF21
   set qos-group mpls experimental topmost
  class MPLS-AF22
   set qos-group mpls experimental topmost
  class MPLS-AF31
   set qos-group mpls experimental topmost
  class MPLS-AF32
   set qos-group mpls experimental topmost
!
policy-map qos-group-out
  class gold
   bandwidth 40
   random-detect
   set mpls experimental topmost qos-group
  class silver
   bandwidth 30
   random-detect
   set mpls experimental topmost qos-group
  class bronze
   bandwidth 20
   random-detect
   set mpls experimental topmost qos-group
!
interface Ethernet0/0
 ip address 192.168.2.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output qos-group-out
 tag-switching ip
!
interface Ethernet1/0
 ip address 192.168.1.2 255.255.255.0
 service-policy input qos-group-in
 tag-switching ip
!

!--- Remember to queue the newly exposed IP packet !--- based on the value of the IP Precedent.

class-map match-all gold
  match  precedence 4  5 
class-map match-all silver
  match  precedence 2  3
class-map match-all bronze
  match  precedence 0  1
!
policy-map qos-group-out
  class gold
   bandwidth 40
   random-detect prec-based
  class silver
   bandwidth 30
   random-detect prec-based
  class bronze
   bandwidth 20
   random-detect prec-based
!
interface Ethernet0/0
 ip vrf forwarding v1
 ip address 10.0.1.1 255.255.255.0
 max-reserved-bandwidth 90
 service-policy output qos-group-out
!
interface Ethernet1/0
 ip address 192.168.2.2 255.255.255.0
 tag-switching ip
!