Hi,
You must implement QoS in your network.
On cisco routers this is done using MQC syntax like this:
class-map UDP_TRAFFIC
match protocol udp
class-map TCP_TRAFFIC
match protocol tcp
policy-map TRAFFIC_POLICY
class UDP_TRAFFIC
set dscp af31
class TCP_TRAFFIC
set dscp af21
int x/x
service-policy inbound TRAFFIC_POLICY
this will give priority to UDP vs TCP vs all other traffic except control plane traffic which has a higher DSCP value set
Regards.
Alain.
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