Filter
Top Products
Examples of QoS implementation
Issue 6 January 2008 335
Example 2: C-LANS cannot tag their traffic
Assumptions for Example 2
● The C-LANs 192.168.1.10 and.11 cannot tag their traffic (TN-799C or earlier).
● The configuration commands in Table 59 are applied only to the left router.
Administration commands for Example 2
Table 59: Administration commands for Example 2
Command Meaning
1.access-list 101 permit
ip host 192.168.1.10
192.168.2.0 0.0.0.255
The command “access-list 101...” permits
any IP traffic from the 2 C-LANs to the
192.168.2.0/24 network. There is an
implicit “deny any” at the end of this access
list.
2.access-list 101 permit
ip host 192.168.1.11
192.168.2.0 0.0.0.255
3.class-map match-any
untaggedVoIP
Create a class map called “untaggedVoIP.”
4.match access-group 101 Packets that match access list 101 are in
the class that is “untaggedVoIP.”
5.policy-map setDSCP Create a policy map called “setDSCP.”
6.class untaggedVoIP set
ip dscp 46
For all packets in the class “untaggedVoIP,”
set the DSCP to 46.
7.interface Ethernet 0/0
service-policy input
setDSCP
Apply the “setDSCP” policy inbound on this
interface.