QoS for AToM
April 16, 2010 at 12:48 am | Posted in MPLS, QoS | Leave a commentTopology
Add R5 as a P router between R1 & R2 in the previous lab, so that we can monitor packets based on MPLS EXP bits.
R3 —— R1 —— R5 —— R2 —— R4
Configuration
R3#
class-map TELNET
match protocol telnet
class-map ICMP
match protocol icmp
class-map ANY
match any
policy-map SET_COS
class TELNET
set cos 5
class ICMP
set cos 1
class ANY
set cos 2
interface FastEthernet0/0.100
encapsulation dot1Q 100
ip address 34.0.0.3 255.255.255.0
service-policy output SET_COS
R1#
class-map COS7
match cos 7
class-map COS6
match cos 6
class-map COS5
match cos 5
class-map COS4
match cos 4
class-map COS3
match cos 3
class-map COS2
match cos 2
class-map COS1
match cos 1
class-map COS0
match cos 0
policy-map ETHERNET_OVER_MPLS
class COS7
set mpls experimental 7
class COS6
set mpls experimental 6
class COS5
set mpls experimental 5
class COS4
set mpls experimental 4
class COS3
set mpls experimental 3
class COS2
set mpls experimental 2
class COS1
set mpls experimental 1
class COS0
set mpls experimental 0
!
interface FastEthernet0/1.100
description Connect to R3 via VLAN 100
encapsulation dot1Q 100
service-policy input ETHERNET_OVER_MPLS
no cdp enable
xconnect 2.2.2.2 1000 pw-class AToM
R5#
no class-map match-all EXP7
no class-map match-all EXP6
no class-map match-all EXP5
no class-map match-all EXP4
no class-map match-all EXP3
no class-map match-all EXP2
no class-map match-all EXP1
no class-map match-all EXP0
class-map match-all EXP7
match mpls experimental topmost 7
class-map match-all EXP6
match mpls experimental topmost 6
class-map match-all EXP5
match mpls experimental topmost 5
class-map match-all EXP4
match mpls experimental topmost 4
class-map match-all EXP3
match mpls experimental topmost 3
class-map match-all EXP2
match mpls experimental topmost 2
class-map match-all EXP1
match mpls experimental topmost 1
class-map match-all EXP0
match mpls experimental topmost 0
no policy-map EXP_COUNTERS
policy-map EXP_COUNTERS
class EXP7
class EXP6
class EXP5
class EXP4
class EXP3
class EXP2
class EXP1
class EXP0
class class-default
int fa0/0
service-policy input EXP_COUNTERS
service-policy output EXP_COUNTERS
Verification
Rack1R3#ping 34.0.0.4 rep 100
Type escape sequence to abort.
Sending 100, 100-byte ICMP Echos to 34.0.0.4, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (100/100), round-trip min/avg/max = 8/32/84 ms
Rack1R3#telnet 34.0.0.4
Trying 34.0.0.4 … Open
Rack1R4>
Rack1R4>
Rack1R4>
Rack1R4>exit
[Connection to 34.0.0.4 closed by foreign host]
Rack1R3#telnet 34.0.0.4 80
Trying 34.0.0.4, 80 …
% Connection refused by remote host
Rack1R3#telnet 34.0.0.4 80
Trying 34.0.0.4, 80 …
% Connection refused by remote host
Rack1R3#
Rack1R3#
Rack1R3#sh policy-map interface
FastEthernet0/0.100
Service-policy output: SET_COS
Class-map: TELNET (match-all)
21 packets, 1350 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: protocol telnet
QoS Set
cos 5
Packets marked 21
Class-map: ICMP (match-all)
100 packets, 11800 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: protocol icmp
QoS Set
cos 1
Packets marked 100
Class-map: ANY (match-all)
2 packets, 128 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
QoS Set
cos 2
Packets marked 2
Class-map: class-default (match-any)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
Rack1R1#sh policy-map interface
FastEthernet0/1.100
Service-policy input: ETHERNET_OVER_MPLS
Class-map: COS7 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 7
QoS Set
mpls experimental imposition 7
Packets marked 0
Class-map: COS6 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 6
QoS Set
mpls experimental imposition 6
Packets marked 0
Class-map: COS5 (match-all)
21 packets, 1350 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 5
QoS Set
mpls experimental imposition 5
Packets marked 21
Class-map: COS4 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 4
QoS Set
mpls experimental imposition 4
Packets marked 0
Class-map: COS3 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 3
QoS Set
mpls experimental imposition 3
Packets marked 0
Class-map: COS2 (match-all)
2 packets, 128 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 2
QoS Set
mpls experimental imposition 2
Packets marked 2
Class-map: COS1 (match-all)
100 packets, 11800 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 1
QoS Set
mpls experimental imposition 1
Packets marked 100
Class-map: COS0 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: cos 0
QoS Set
mpls experimental imposition 0
Packets marked 0
Class-map: class-default (match-any)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
Rack1R5#sh policy-map interface fa0/0 input
FastEthernet0/0
Service-policy input: EXP_COUNTERS
Class-map: EXP7 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 7
Class-map: EXP6 (match-all) ! ROUTING(?) & CONTROL TRAFFIC
36 packets, 2780 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 6
Class-map: EXP5 (match-all) ! Telnet
21 packets, 1518 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 5
Class-map: EXP4 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 4
Class-map: EXP3 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 3
Class-map: EXP2 (match-all) ! TCP PORT 80 generated via telnet 34.0.0.4 80
2 packets, 144 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 2
Class-map: EXP1 (match-all) ! Pings
100 packets, 12600 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 1
Class-map: EXP0 (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps
Match: mpls experimental topmost 0
Class-map: class-default (match-any) ! Plain IP TRAFFIC (not MPLS)
8 packets, 528 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
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