[c-nsp] cisco-nsp Digest, Vol 56, Issue 89

[Collins, Richard (SNL US)]

What does "show mls qos" show?  It is possible to have all the
mls qos configurations show up but then forget to globally enable it.

Rich 

>Message: 8
>Date: Wed, 25 Jul 2007 14:29:00 -0400
>From: Matthew Crocker <mcrocker at crocker.com>
>Subject: [c-nsp] VoIP QoS on Cisco 2950 series switches
>To: Cisco-nsp List <cisco-nsp at puck.nether.net>
>Message-ID: <9C39387C-743B-478C-BFA7-7DA7444BA042 at crocker.com>
>Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>
>Hello,
>
>  I have a Cisco 2950-LRE switch and I'm trying to enable QoS for  
>some VoIP traffic flowing across the switch.  All interesting traffic  
>has DSCP set to EF.  I followed some online docs (auto qos voip  
>trust) on the interfaces but it doesn't seem to be doing the trick
>
>any ideas?
>
>sh version
>Cisco Internetwork Operating System Software
>IOS (tm) C2950lre Software (C2950lre-I6L2Q4-M), Version 12.1(22)EA4a,  
>RELEASE SOFTWARE (fc1)
>Copyright (c) 1986-2005 by cisco Systems, Inc.
>Compiled Fri 16-Sep-05 11:24 by yenanh
>Image text-base: 0x80010000, data-base: 0x805B2000
>
>ROM: Bootstrap program is C2950lre boot loader
>
>Crocker_LRE_Spfld uptime is 22 hours, 39 minutes
>System returned to ROM by power-on
>System image file is "flash:/c2950lre-i6l2q4-mz.121-22.EA4a/c2950lre- 
>i6l2q4-mz.121-22.EA4a.bin"
>
>cisco WS-C2950ST-8-LRE (RC32300) processor (revision G0) with 47478K  
>bytes of memory.
>Processor board ID FHK0949R04C
>Last reset from system-reset
>Running Enhanced Image
>2 Gigabit Ethernet/IEEE 802.3 interface(s)
>8 Long Reach Ethernet interface(s)
>The password-recovery mechanism is enabled.
>
>32K bytes of flash-simulated non-volatile configuration memory.
>Base ethernet MAC Address: 00:15:63:79:5F:00
>Motherboard assembly number: 73-8380-11
>Power supply part number: 341-0039-01
>Motherboard serial number: FOC09483QMF
>Power supply serial number: PHI0945K05R
>Model revision number: G0
>Motherboard revision number: B0
>Model number: WS-C2950ST-8-LRE
>System serial number: FHK0949R04C
>SFP Module Board Assembly Part Number: 73-7757-03
>SFP Module Board Revision Number: A0
>SFP Module Board Serial Number: CAT094513KH
>CLEI Code Number: CNS6NSMAAC
>Configuration register is 0xF
>
>
>Config:
>
>!
>wrr-queue bandwidth 10 20 70 1
>wrr-queue cos-map 1 0 1
>wrr-queue cos-map 2 2 4
>wrr-queue cos-map 3 3 6 7
>wrr-queue cos-map 4 5
>no errdisable detect cause gbic-invalid
>mls qos map cos-dscp 0 8 16 26 32 46 48 56
>ip subnet-zero
>!
>interface GigabitEthernet0/1
>switchport mode trunk
>media-type sfp
>flowcontrol send off