Problem Description

We are trying to deploy COS in our network..

The network diagram looks like the one below.

There is multiple types of traffic being generated by the media gateway including voice

Voice control and voice signaling configured in different subnets.

To identify this traffic on M10 I ingress fe-0/3/0 interface we have deployed firewall filters and have assigned this traffic different PLP and forwarding classes according to the proposed COS model by the customer.

The COS model can be seen below and the appropriate configuration for Abbottabad M10i router is attached with problem description.

COS Model

Class / Output Ques / Packet Marking / RED Profile / Description
Que # / Priority / Rate / Size / PLP / DSCP / EXP
NC / 3 / Medium High / 4% / Rest / Low / CS6 / 6 / Tail drop / Network Control(Routing,RSVP etc)
EF / 1 / High / 70% / 10 ms / Low / EF / 5 / Tail drop / Real time voice/video
AF4 / 4 / High / 20% / 30 ms / Low / AF41 / 4 / Tail drop / Signaling(Sigtran,Urgent O&M)
AF1 / 2 / Medium-low / 4% / 100 ms / Low
high / AF11
AF12 / 1
2 / PLP low
PLP high / O&M,Intranet low drop
Intranet high drop
BE / 0 / Low / Rest / Rest / High / BE / 0 / PLP-high / Best Effort Traffic

The issue is that we can not see any traffic in expedited forwarding class at ingress interface expedited forwarding queue and egress interface lsq-1/2/0 expedited forwarding queue.

The out put for both ingress and egress interface queue counters can be seen below

bkoff@IAB004# run show interfaces fe-0/3/0 detail | find "queue counters"

Queue counters: Queued packets Transmitted packets Dropped packets

0 best-effort 670331 670331 0

1 expedited-fo 0 0 0

2 assured-forw 0 0 0

3 network-cont 11249 11249 0

Active alarms : None

Active defects : None

Logical interface fe-0/3/0.2 (Index 69) (SNMP ifIndex 106) (Generation 135)

Flags: SNMP-Traps 0x4000 VLAN-Tag [ 0x8100.2 ] Encapsulation: ENET2

Traffic statistics:

Input bytes : 492735

Output bytes : 1238366

Input packets: 4234

Output packets: 11760

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Local statistics:

Input bytes : 384

Output bytes : 374112

Input packets: 6

Output packets: 3764

Transit statistics:

Input bytes : 492351 1520 bps

Output bytes : 864254 1664 bps

Input packets: 4228 1 pps

Output packets: 7996 2 pps

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Protocol inet, MTU: 1500, Generation: 149, Route table: 0

Flags: Is-Primary

Filters: Input: Inbound-Media-Control

Addresses, Flags: Is-Preferred Is-Primary

Destination: 10.40.141.16/29, Local: 10.40.141.17, Broadcast: 10.40.141.23, Generation: 137

Destination: 10.40.141.16/29, Local: 10.40.141.19, Broadcast: 10.40.141.23, Generation: 153

Logical interface fe-0/3/0.3 (Index 70) (SNMP ifIndex 108) (Generation 136)

Flags: SNMP-Traps 0x4000 VLAN-Tag [ 0x8100.3 ] Encapsulation: ENET2

Traffic statistics:

Input bytes : 69988332

Output bytes : 69197434

Input packets: 686285

Output packets: 665954

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Local statistics:

Input bytes : 376

Output bytes : 372838

Input packets: 6

Output packets: 3751

Transit statistics:

Input bytes : 69987956 71008 bps

Output bytes : 68824596 127872 bps

Input packets: 686279 84 pps

Output packets: 662203 148 pps

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Protocol inet, MTU: 1500, Generation: 150, Route table: 0

Flags: None

Filters: Input: Inbound-Media-media

Addresses, Flags: Is-Preferred Is-Primary

Destination: 10.40.141.24/29, Local: 10.40.141.25, Broadcast: 10.40.141.31, Generation: 139

Destination: 10.40.141.24/29, Local: 10.40.141.27, Broadcast: 10.40.141.31, Generation: 155

Logical interface fe-0/3/0.4 (Index 71) (SNMP ifIndex 110) (Generation 137)

Flags: SNMP-Traps 0x4000 VLAN-Tag [ 0x8100.4 ] Encapsulation: ENET2

Traffic statistics:

Input bytes : 83280

Output bytes : 394812

Input packets: 255

Output packets: 3971

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Local statistics:

Input bytes : 868

Output bytes : 374074

Input packets: 14

Output packets: 3769

Transit statistics:

Input bytes : 82412 5104 bps

Output bytes : 20738 4360 bps

Input packets: 241 3 pps

Output packets: 202 2 pps

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Protocol inet, MTU: 1500, Generation: 151, Route table: 0

Flags: None

Filters: Input: Inbound-Media-OAM

Addresses, Flags: Is-Preferred Is-Primary

Destination: 10.40.141.0/28, Local: 10.40.141.1, Broadcast: 10.40.141.15, Generation: 141

Destination: 10.40.141.0/28, Local: 10.40.141.3, Broadcast: 10.40.141.15, Generation: 157

Logical interface fe-0/3/0.32767 (Index 72) (SNMP ifIndex 112) (Generation 138)

Flags: SNMP-Traps 0x4000 VLAN-Tag [ 0x0000.0 ] Encapsulation: ENET2

Traffic statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Local statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Transit statistics:

Input bytes : 0 0 bps

Output bytes : 0 0 bps

Input packets: 0 0 pps

Output packets: 0 0 pps

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

[edit]

bkoff@IAB004# run show interfaces lsq-* terse

Interface Admin Link Proto Local Remote

lsq-1/2/0 up up

lsq-1/2/0.0 up up inet 10.40.205.106/30

mpls

bkoff@IAB004# run show interfaces lsq-1/2/0 detail | find "queue counters"

Queue counters: Queued packets Transmitted packets Dropped packets

0 best-effort 0 0 0

1 expedited-fo 0 0 0

2 assured-forw 0 0 0

3 network-cont 0 0 0

Logical interface lsq-1/2/0.0 (Index 77) (SNMP ifIndex 120) (Generation 143)

Description: Bundle Link to Islamabad

Flags: Point-To-Point SNMP-Traps 0x4000 Encapsulation: Multilink-PPP

Bandwidth: 1984kbps

Bundle options:

MRRU 4500

Remote MRRU 4500

Drop timer period 500

Inner PPP Protocol field compression enabled

Sequence number format long (24 bits)

Fragmentation threshold 0

Links needed to sustain bundle 1

Multilink classes 0

Link layer overhead 4.0 %

Bundle status:

Received sequence number 0x84b59d

Transmit sequence number 0x8797f8

Packet drops 0 (0 bytes)

Fragment drops 0 (0 bytes)

MRRU exceeded 0

Fragment timeout 0

Missing sequence number 15

Out-of-order sequence number 0

Out-of-range sequence number 0

Packet data buffer overflow 0

Fragment data buffer overflow 0

Statistics Frames fps Bytes bps

Bundle:

Fragments:

Input : 426653394 108 48215973369 83840

Output: 450317428 30 51918584384 24296

Packets:

Input : 426649520 103 60496371383 105640

Output: 450319467 27 62771917202 28240

Link:

e1-0/0/0.0 <-- down

Input : 0 0 0 0

Output: 0 0 0 0

e1-0/0/1.0

Input : 426653394 108 48215973369 83840

Output: 450317428 30 51918584384 24296

NCP state: inet: Opened, inet6: Not-configured, iso: Not-configured, mpls: Opened

Protocol inet, MTU: 1500, Generation: 155, Route table: 0

Flags: None

Addresses, Flags: Is-Preferred Is-Primary

Destination: 10.40.205.104/30, Local: 10.40.205.106, Broadcast: Unspecified, Generation: 149

Protocol mpls, MTU: 2000, Generation: 156, Route table: 0

Flags: Is-Primary, User-MTU