Today, it's often Ethernet cables of some type, but one of the features of routers is very general media support, so you may find all kinds of cables used, especially when dealing with "WAN" connections.
For example, in your later post, you mention "...
As most Cisco devices don't appear to support shape peak as I believe they should, you can probably obtain the same results by how you configure shape average parameters.
You're mixing apples with oranges when discussing MDI and duplex.
MDI/MDI-X is how the port's pins are assigned/connected, for example which pin is TX and which RX. This to insure one side's TX pin connects to the other side's RX pin.
Correct pin co...
When possible, the best QoS for ingress is the "other side's" egress.
When that's not possible, you can do things like police ingress, as you mention, but your "mileage may vary" as to how effective it is for your QoS needs.
I found you often must po...
I believe you can build policy maps on timed based ACLs, but from what you describe, don't believe you need to.Try something like this:policy-map MetroEthernet85Mbpsclass-default!allow for Ethernet overheadshape average 77000000service-policy PM-Limi...