Hello,
You can do it only on MX with JUNOS 14.2R3 and newer using new JUNOS
feature "policy-map", example config below:
chassis {
network-services enhanced-ip;
}
class-of-service {
policy-map pm1 {
dscp proto-ip code-point 110001;
}
forwarding-classes {
queue 0 be;
queue 1 ef;
queue 2 af;
queue 3 nc;
queue 4 be1;
queue 5 ef1;
queue 6 af1;
queue 7 nc1;
}
}
firewall {
family inet {
filter cmap1 {
term t1 {
from {
protocol icmp;
}
then {
policy-map pm1;
count c1;
accept;
}
}
term t2 {
then {
count c2;
accept;
}}}}}
interfaces {
ge-0/0/0 {
unit 0 {
family inet {
filter {
input cmap1;
}
address 172.16.10.246/30;
}}}}
This is not supported on any other Juniper product, to my knowledge.
Thanks
Alex
On 17/06/2015 06:58, Victor Sudakov wrote:
Colleagues,
I hope I am not asking something unusual? I just want to classify
frames based solely on the ingress port and pass these frames out the
trunk ports keeping the CoS value.
I have read about rewriting rules and classifiers, but would be really
grateful for a simple example.
Victor Sudakov wrote:
Colleagues,
I have the following configuration on some Cisco switches, e.g.
interface GigabitEthernet0/10
switchport access vlan XXX
switchport mode access
mls qos cos 6
mls qos cos override
!
How do I do the same on a Juniper EX4200 switch, namely force a 802.1p
CoS value on all ingress frames incoming via a certain access port
and keep this value when these frames leave the EX4200 switch via a
trunk port?
I don't need to modify Juniper queues or anything sophisticated. I
just need to classify frames and pass the classified frames to the
communications equipment which understands CoS bits.
Thank you in advance for any input.
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
sip:[email protected]
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