
Frequently Asked Questions 63
Frequently Asked Questions
Q — Can I use IP access lists to match packets based on their DSCP field?
A — Yes. Support for DSCP within IP access lists is initially introduced in Cisco IOS
Version 12.0(7)T. As an example, access list 101 matches all IP packets with a
DSCP field set to Expedited Forwarding (101110).
access-list 101 permit ip any any dscp EF
Q — On a router, how can I mark Telnet packets destined to or originating from it to be
set a certain IP Precedence value?
A — You can mark Telnet packets from or to the router to a certain IP Precedence value
by using the ip telnet tos command. As an example, you can set ...