Which of the following are available methods of classifying packets in DiffServ on Cisco routers? (Choose three answers.)

IT Questions BankCategory: CCNAWhich of the following are available methods of classifying packets in DiffServ on Cisco routers? (Choose three answers.)

Which of the following are available methods of classifying packets in DiffServ on Cisco routers? (Choose three answers.)

  • Matching the IP DSCP field
  • Matching the 802.1p CoS field
  • Matching fields with an extended IP ACL
  • Matching the SNMP Location variable

Explanation: In general, matching a packet with DiffServ relies on a comparison to something inside the message itself. The 802.1p CoS field exists in the data-link header on VLAN trunks; the IP DSCP field exists in the IP header; and extended ACLs check fields in message headers. The SNMP Location variable does not flow inside individual packets but is a value that can be requested from a device.

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