From: Pierre-Alex (paguanel@hotmail.com)
Date: Tue Jun 13 2006 - 18:17:40 ART
Anyone brave enough to comment on this mail :)
thks
----- Original Message -----
From: "Pierre-Alex" <paguanel@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Tuesday, June 13, 2006 3:42 PM
Subject: WRED on PVC and sub-interfaces
> From what I know and have seen on CCO there is nothing that prevents WRED
> to
> be done on PVC or a sub interface.
>
> The only limitation is for Distributed WRED .
>
> Theoretically, as long as you have a FIFO queueu available WRED can do its
> work:
>
> From the Telephony guide:
>
> "Each class has a single FIFO queue inside the class, so WRED bases its
> average queue depth calculation on the actual depth of each per-class FIFO
> queue"
>
> I have tried here configs for both PVC and subinterfaces.
>
> No issues accecpting the commands.
>
> My question is : does the fact that the IOS parse the command means that
> the
> operation is valid / supported?
>
>
> Configuration 1: WRED on PVC
>
> int ser 0/0
> encaps frame-relay
>
> int ser 0/0.301
> frame interface 301
> class 301
>
> map-class frame-relay 301
> service-policy output
>
> policy-map parent
> class class-default
> shape average 384000
> service-policy WRED
>
>
> policy-map WRED
> class class1
> bandwidth percent 50
> random-detect
> class class2
> bandwidth percent 20
> random-detect
> class class-default
>
>
> Configuration 2: WRED on Subinterfaces
>
> interface Ethernet0/0.30
> encapsulation dot1Q 30
> service-policy output parent
> end
>
> ----------------
>
> shows:
>
>
> Configuration 1:
>
>
> Rack1R3#sh policy-map interface
> Serial0/0.301: DLCI 301 -
>
> Service-policy output: parent
>
> Class-map: class-default (match-any)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
> Traffic Shaping
> Target/Average Byte Sustain Excess Interval Increment
> Rate Limit bits/int bits/int (ms) (bytes)
> 384000/384000 2400 9600 9600 25 1200
>
> Adapt Queue Packets Bytes Packets Bytes Shaping
> Active Depth Delayed Delayed Active
> - 0 0 0 0 0 no
>
> Service-policy : WRED
>
> Class-map: class1 (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: none
> Queueing
> Output Queue: Conversation 41
> Bandwidth 50 (%)
> Bandwidth 192 (kbps)
> (pkts matched/bytes matched) 0/0
> (depth/total drops/no-buffer drops) 0/0/0
> exponential weight: 9
> mean queue depth: 0
>
> class Transmitted Random drop Tail drop Minimum Maximum
> Mark
> pkts/bytes pkts/bytes pkts/bytes thresh thresh
> prob
> 0 0/0 0/0 0/0 20 40
> 1/10
> 1 0/0 0/0 0/0 22 40
> 1/10
> 2 0/0 0/0 0/0 24 40
> 1/10
> 3 0/0 0/0 0/0 26 40
> 1/10
> 4 0/0 0/0 0/0 28 40
> 1/10
> 5 0/0 0/0 0/0 30 40
> 1/10
> 6 0/0 0/0 0/0 32 40
> 1/10
> 7 0/0 0/0 0/0 34 40
> 1/10
> rsvp 0/0 0/0 0/0 36 40
> 1/10
>
>
> Class-map: class2 (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: none
> Queueing
> Output Queue: Conversation 42
> Bandwidth 20 (%)
> Bandwidth 76 (kbps)
> (pkts matched/bytes matched) 0/0
> (depth/total drops/no-buffer drops) 0/0/0
> exponential weight: 9
> mean queue depth: 0
>
> class Transmitted Random drop Tail drop Minimum Maximum
> Mark
> pkts/bytes pkts/bytes pkts/bytes thresh thresh
> prob
> 0 0/0 0/0 0/0 20 40
> 1/10
> 1 0/0 0/0 0/0 22 40
> 1/10
> 2 0/0 0/0 0/0 24 40
> 1/10
> 3 0/0 0/0 0/0 26 40
> 1/10
> 4 0/0 0/0 0/0 28 40
> 1/10
> 5 0/0 0/0 0/0 30 40
> 1/10
> 6 0/0 0/0 0/0 32 40
> 1/10
> 7 0/0 0/0 0/0 34 40
> 1/10
> rsvp 0/0 0/0 0/0 36 40
> 1/10
>
>
> Class-map: class-default (match-any)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
>
> Configuration 2:
>
>
>
> Rack1R3#sh policy-map inter
> Ethernet0/0.30
>
> Service-policy output: parent
>
> Class-map: class-default (match-any)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
> Traffic Shaping
> Target/Average Byte Sustain Excess Interval Increment
> Rate Limit bits/int bits/int (ms) (bytes)
> 384000/384000 2400 9600 9600 25 1200
>
> Adapt Queue Packets Bytes Packets Bytes Shaping
> Active Depth Delayed Delayed Active
> - 0 0 0 0 0 no
>
> Service-policy : WRED
>
> Class-map: class1 (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: none
> Queueing
> Output Queue: Conversation 41
> Bandwidth 50 (%)
> Bandwidth 192 (kbps)
> (pkts matched/bytes matched) 0/0
> (depth/total drops/no-buffer drops) 0/0/0
> exponential weight: 9
> mean queue depth: 0
>
> class Transmitted Random drop Tail drop Minimum Maximum
> Mark
> pkts/bytes pkts/bytes pkts/bytes thresh thresh
> prob
> 0 0/0 0/0 0/0 20 40
> 1/10
> 1 0/0 0/0 0/0 22 40
> 1/10
> 2 0/0 0/0 0/0 24 40
> 1/10
> 3 0/0 0/0 0/0 26 40
> 1/10
> 4 0/0 0/0 0/0 28 40
> 1/10
> 5 0/0 0/0 0/0 30 40
> 1/10
> 6 0/0 0/0 0/0 32 40
> 1/10
> 7 0/0 0/0 0/0 34 40
> 1/10
> rsvp 0/0 0/0 0/0 36 40
> 1/10
>
>
> Class-map: class2 (match-all)
>
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