QOS DSCP Marking - Cisco Learning Network
the takeaway is the 3 bit shift right repurposing those from tos for dscp, keeping the first 3 aligned for compatibility with Cos, Ip prec, tos and now dscp as in the above diagram...
IP Phone CoS Marking - Cisco Learning Network
I am studying how QoS marking on IP Phones works. In the official cert guide for ICND2 it states "Figure 18-10 shows the typical trust boundary in this case, with notation of what the phone’s …
Why output drops when no congestion? - Cisco Learning Network
Canthe Class D borrow some bandwidth from Class C, although Class C traffic will always have higher priority due t the DSCP bit set but maybe Class D drops are due to lack of BW
QoS: CoS to ToS marking - Cisco Learning Network
It is not the router, but the switch that will convert the CoS bits to the correct IP-precedence or DSCP value on all inbound traffic which have CoS bits set and QoS configured to "trust" the …
QoS - Policing & srr-queue Command - Cisco Learning Network
E.g police 100000000 8000 exceed-action policed-dscp-transmit ====this will not drop packet but dscp code will change. For this to happen I have to define it using global configuration =mls …
qos trust cos, dscp ... ip preced ?? mls qos - Cisco Learning Network
The "mls qos trust" will trust the markings be it ip precedence or dscp. If you just want to trust the marking, and you are sure of the source, the "qos trust device" is your bet (in my humble …
DSCP for Video Question - Cisco Learning Network
TelePresence immersive endpoints mark their media with a DSCP value of CS4 by default, and desktop video endpoints mark their media with AF41 by default, as per recommended QoS …
Do DSCP odd values exist - Cisco Learning Network
In Cisco Modular QOS cli we have command : "match dscp <0-63>". But I see in different documents that dscp odd values wont exist. Can any one give clarity on this issue.
mls qos map policed-dscp command... - Cisco Learning Network
Both have the following command at the top of the QoS config parameters in the running-config: mls qos map policed-dscp 0 24 to 8 My understanding of this command is to mark down …
Wireshark question on QoS DSCP - Cisco Learning Network
I have a weird question to ask. I did a simple QoS lab and captured the packet with Wireshark. I have an interest in how the captured DSCP 40 is written in Hex.