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10 Dell EMC Networking – RDMA over Converged Ethernet (RoCE v2) Cheat Sheet
PFC is turned “ON” at the interface
k. Switch(config-if-eth1/1/5)# end
l. Switch#
3.3 Leaf – S4048-ON-3, S4048-ON-4
3.4 S4048-ON-3 (OS9)
1. Enable lldp
a. Switch# conf
b. Switch(conf)# protocol lldp
c. Switch(conf-lldp)# no dis
d. Switch(conf-lldp)# exit
e. Switch(conf)#
2. Enable dcb and assign 4 priority queues
a. Switch# conf
b. Switch(conf)# dcb enable pfc-queues 4
c. Switch(conf)# exit
d. Switch#
3. Configure DCB, PFC, ETS profiles to be used for all three traffic patterns. Priority group
a. Switch# conf
b. Switch(conf)# service-class dynamic dot1p
c. Switch(conf)# dcb-map RoCE_and_all
d. Switch(conf-dcbmap-RoCE_and_all)# priority-group 0 bandwidth 10 pfc off
e. Switch(conf-dcbmap-RoCE_and_all)# priority-group 1 bandwidth 40 pfc on
f. Switch(conf-dcbmap-RoCE_and_all)# priority-group 2 bandwidth 50 pfc on
g. Switch(conf-dcbmap-RoCE_And_all)# priority-pgid 0 0 0 0 1 2 0 0
h. Switch(conf-dcbmap-RoCE_and_all)# end
i. Switch#
4. Apply DCB map profile on all respective interfaces.
a. Switch# conf
b. Switch(conf)# int range te1/3, te/15, te1/2, fo1/53, te1/48
c. Switch(conf-int-range-te1/2…fo1/53)# no shut
d. Switch(conf-int-range-te1/2...fo1/53)# dcb-map RoCE_and_all
e. Switch(conf-int-range-te1/2…fo1/53)# end
f. Switch#