Questions about mls qos

From: Maxim Kurushkin (m.kurushkin@orange-ftgroup.ru)
Date: Thu Dec 14 2006 - 14:51:40 ART


Good day, Group.
I have 3560+Cisco IPPhone7960 and 7970 + router +PC.
Router <--> Switch <---> Phone <---> PC (Windows)
I send ping from PC to router and want to remark it to IP Prec 4.

mls qos
interface FastEthernet0/17
 switchport access vlan 5
 switchport mode access
 switchport voice vlan 9
 switchport priority extend cos 4
 mls qos trust device cisco-phone
 mls qos trust cos
 spanning-tree portfast
All maps with default configurations.

PC's IP 30.0.0.1
Router's IP 30.0.0.2

Do ping and see on Router:

R2851#sh interfaces gig 0/0 precedence
GigabitEthernet0/0
  Input
    Precedence 0: 316 packets, 25283 bytes

interface GigabitEthernet0/0
 ip address 30.0.0.2 255.255.255.128
 ip accounting precedence input

I have tried 7960 and 7970 - the same results...
Why command "switchport priority extend cos 4" is not remark traffic
from PC? Any ideas?

WBR,
Maxim



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