configuring the "mls qos trust dcsp" is the first step of configuring an uplink port. After you configure the access port queuing, you must also configure the uplink interfaces to the distribution, or core, switch. This involves enabling trust for Ethernet frames coming into the trunk port, enabling output scheduling, and manipulating the CoS-to-queue mapping entrance criteria, mapping the CoS values to the appropriate DSCP value. This section includes information for two of the six types of queue structures: 1P2Q2T and 2Q2T.
Configuring an Uplink Port
Step 1. Accept incoming DSCP markings if incoming traffic is known to be properly marked at Layer 3. This is the preferred method.
6509-Access(config-if)#mls qos trust dscp
Alternate Step 1. Accept incoming CoS markings if incoming traffic is known to be properly marked at Layer 2 only.
6509-Access(config-if)#mls qos trust cos
Optional Step 2 (required when trusting CoS) Verify CoS-to-DSCP mapping. This should have been set in Step 10 in the interface configuration. Map CoS = 5 to DSCP = EF (46) and CoS = 3 to DSCP = CS3 (24).
With XR 4.2.0 the ASR9000 is releasing a new line of hardware models. This amongst others is the RSP440, the next generation RSP with faster switch fabric along with Typhoon based Linecards, the next generation network processor.
The Cisco EPN system incorporates a network architecture designed to consolidate multiples services on a single Multiprotocol Label Switching (MPLS) transport network. This network is designed primarily based on...
Internet security is important with the increasing attacks that are happening every day. Many internet and browsing security solutions exist, but some are not very easy to use or maybe the question is how can I enable them?