From: SHARMA,MOHIT (HP-Germany,ex1) (mohit.sharma@hp.com)
Date: Sun Jul 13 2003 - 07:35:32 GMT-3
Hi all,
Thanx for your replies.
For the QOS question, is using the cos override command sufficient, as it
will mark ALL the packets entering the port, irrespective of the fact wether
they r from the phone or the attached device. IS there no other way, like
classifying packets based on the VLAN's ???
Also still no clue about the root bridge question. COuld somebody please
advice.
Thanx,
Mohit.
-----Original Message-----
From: Rob Laidlaw [mailto:laidlaw@consecro.com]
Sent: Sunday, July 13, 2003 4:13 AM
To: SHARMA,MOHIT (HP-Germany,ex1); ccielab@groupstudy.com
Subject: RE: Creepy 3550
As to questions 3, this is what I have found on cisco's site to override
what the phone sends.
http://www.cisco.com/en/US/products/hw/switches/ps646/products_configuration
_guide_chapter09186a00800c6f40.html#xtocid8
Rob
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
SHARMA,MOHIT (HP-Germany,ex1)
Sent: Saturday, July 12, 2003 3:17 PM
To: ccielab@groupstudy.com
Subject: Creepy 3550
Hi All,
Some question on ""3550"". Would be great if somebody can clear it up.
1.> If asked to restrcit telnet access. Should it be done on all vty ports
from 0 15 or just lines 0 4.
2.> if the question states to make sure that the switch never becomes a root
switch for a particular vlan, should we put the switch prio for that port as
hisghest, or SHOULD the stp be diabled for that VLAN??
3.> In QOS, if the packets between the phone and the PC should be marked
differently, what is the best way??
Should we mark the packets based on VLAN's, or should we mark the packets
using the default cos values??
Say with the foll. config0
nterface FastEthernet0/11
switchport access vlan 102
switchport mode trunk
switchport voice vlan 101
switchport trunk encapsulation dot1q
switchport priority extend cos 0
no ip address
mls qos cos 1
mls qos cos override
spanning-tree portfast
Can we classify packets- just based on the vlan???
Thanks as always for your inputs.
Mohit.
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