Big question: Does the config below work? My stress tests shows its utilizing the bandwidth commands, but thats about all I can tell. I am unexpereienced with QoS. Help please!
(Also, this is a repost - I added to part above to help clarify, modified title to see if I can encourage anyone to take a stab at it....thanks!)
Two branch locations that use MPLS to connect to a datacenter, and route to the internet through a hosted firewall at the datacenter. Configuration example below is from a branch MPLS router. Branch uses VOIP and some Core Vendor software (extremely network sensitive).
So the branches connect to each other and the internet via each of their MPLS routers (Cisco 1841's).
We want to accept any critiques, and know if the config below would work in general/at all. In particular I would like to ensure the Core Vendor traffic never drops/has too high of a latency.
In the current configuration I saw just 4 packets drops for the Core Vendor due to WRED attempting to avoid congestion.
Note: We set the DSCP values we do because those are the DSCP values that correspond to our ATT MPLS CoS values.
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You don't need to shape if your physical port is the same as CDR.
On your branch, it appear you may only need the ToMPLS policy on the serial interface (you don't need the other two policies, you'll still need your pre-classify on the tunnels).
If you don't have them, you may want the following commands on your tunnel interfaces:
ip mtu 1476 !for just GRE
ip tcp adjust-mss 1436 !for just GRE
keepalive 10 3 !optional - takes down tunnel if end-to-end lost - helpful if using snmp
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