Re: OER / PfR Learn List driving me nuts !!

Hi Andy,

how does PFR check link quality and integrity - does it send peroidic
packets for check on link end to end ( in MPLS enviornment CE-to- CE )?

what will happen if there is flap in one link , will it fall over to other
link ?

On Sun, Apr 4, 2010 at 11:44 PM, Andy Reid <ccie_at_reid.it> wrote:

> I have created a configuration that appears to work - by creating an
> oer-map referencing the MGMT application "refname". I then fed the oer-map
> back into the MC configuration using the policy-rules statement. The Telnet
> traffic is now being captured correctly:
>
> Rack1R6# show run | se oer
> oer master
> policy-rules MANAGEMENT
> logging
> !
> border 150.1.4.4 key-chain OER
> interface FastEthernet0/0 external
> interface FastEthernet0/1 internal
> interface Serial0/2/0 external
> !
> border 150.1.6.6 key-chain OER
> interface FastEthernet0/0.67 external
> interface FastEthernet0/0.146 internal
> interface Serial0/1/0 external
> !
> learn
> throughput
> delay
> periodic-interval 0
> monitor-period 1
> list seq 1 refname MGMT
> traffic-class application nbar telnet
> aggregation-type prefix-length 32
> delay
> periodic 90
> !
> oer border
> local Loopback0
> master 150.1.6.6 key-chain OER
> oer-map MANAGEMENT 10
> match oer learn list MGMT
>
>
> *Apr 4 17:39:24.010: %OER_MC-5-NOTICE: Discovered Exit for Appl Prefix
> 150.1.8.8/32 telnet, BR 150.1.4.4, i/f Se0/2/0
> Rack1R6#show oer master traffic-class learned list MGMT
>
> OER Prefix Statistics:
> Pas - Passive, Act - Active, S - Short term, L - Long term, Dly - Delay
> (ms),
> P - Percentage below threshold, Jit - Jitter (ms),
> MOS - Mean Opinion Score
> Los - Packet Loss (packets-per-million), Un - Unreachable
> (flows-per-million),
> E - Egress, I - Ingress, Bw - Bandwidth (kbps), N - Not applicable
> U - unknown, * - uncontrolled, + - control more specific, @ - active probe
> all
> # - Prefix monitor mode is Special, & - Blackholed Prefix
> % - Force Next-Hop, ^ - Prefix is denied
>
> DstPrefix Appl_ID Dscp Prot SrcPort DstPort SrcPrefix
> Flags State Time CurrBR CurrI/F
> Protocol
> PasSDly PasLDly PasSUn PasLUn PasSLos PasLLos EBw
> IBw
> ActSDly ActLDly ActSUn ActLUn ActSJit ActPMOS ActSLos
> ActLLos
>
> --------------------------------------------------------------------------------
> 150.1.2.2/32 telnet defa N N N 0.0.0.0/0
> INPOLICY* @70 150.1.4.4 Se0/2/0
> U
> 48 48 0 0 19073 19073 1
> 6
> 59 59 0 0 N N N
> N
>
> 150.1.8.8/32 telnet defa N N N 0.0.0.0/0
> DEFAULT* @44 150.1.4.4 Se0/2/0
> U
> U U 0 0 0 0 1
> 0
> U U 0 0 N N N
> N
>
>
>
> Rack1R6#show oer master
> OER state: ENABLED and ACTIVE
> Conn Status: SUCCESS, PORT: 3949
> Version: 2.2
> Number of Border routers: 2
> Number of Exits: 4
> Number of monitored prefixes: 3 (max 5000)
> Max prefixes: total 5000 learn 2500
> Prefix count: total 3, learn 2, cfg 0
> PBR Requirements met
> Nbar Status: Active
>
> Border Status UP/DOWN AuthFail Version
> 150.1.6.6 ACTIVE UP 00:03:22 0 2.2
> 150.1.4.4 ACTIVE UP 00:03:22 0 2.2
>
>
> Global Settings:
> max-range-utilization percent 20 recv 0
> mode route metric bgp local-pref 5000
> mode route metric static tag 5000
> trace probe delay 1000
> logging
> exit holddown time 60 secs, time remaining 0
>
> Default Policy Settings:
> backoff 300 3000 300
> delay relative 50
> holddown 300
> periodic 90
> probe frequency 56
> number of jitter probe packets 100
> mode route observe
> mode monitor both
> mode select-exit good
> loss relative 10
> jitter threshold 20
> mos threshold 3.60 percent 30
> unreachable relative 50
> resolve delay priority 11 variance 20
> resolve range priority 12 variance 0
> resolve utilization priority 13 variance 20
>
> Learn Settings:
> current state : STARTED
> time remaining in current state : 67 seconds
>
> throughput
> delay
> no inside bgp
> no protocol
> monitor-period 1
> periodic-interval 0
> aggregation-type prefix-length 24
> prefixes 100
> expire after time 720
>
> Learn-List seq 1 refname MGMT
>
> Configuration:
> Traffic-Class Application: telnet
> Aggregation-type: prefix-length 32
>
> Learn type: delay
> Session count: 50 Max count: 100
> Policies assigned: 10
> Stats:
> Traffic-Class Count: 1
>
>
>
> regards Andy
>
>
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Received on Sun Apr 04 2010 - 23:49:21 ART