Data Centre Bridging Capability Exchange Configuration
This chapter show how to configure DCB parameter exchange.
Topology
DCBx Configurat ion
Configuring ETS Parameter Exchange
SW1
#configure terminal | Enter configure mode |
(config)#bridge 1 protocol ieee vlan-bridge | Create bridge 1 as an IEEE VLAN-enabled bridge |
(config)#data-center-bridging enable bridge 1 | Enables DCB on the bridge |
(config)#priority-flow-control enable bridge 1 | Enables PFC on the bridge |
(config)#interface eth1 | Configure interface eth1 |
(config-if)#switchport | Configure eth1 as a layer 2 port |
(config-if)#bridge-group 1 | Configure eth1 in bridge group 1 |
(config-if)#lldp-agent | Enter into LLDP agent mode. |
(lldp-agent)#set lldp enable txrx | Configure LLDP for transmit and receive mode on eth1 |
(lldp-agent)#llldp tlv ieee-8021-org-specific data-center-bridging select | Configure LLDP to send an IEEE 802.1 organizationally specific TLV set in the packet |
(lldp-agent)#exit | Exit from LLDP mode. |
(config-if)#priority-flow-control mode on | Configure the advertise flag and start sending DCBX TLVs in LLDP messages |
(config-if)# priority-flow-control cap 4 | Configure the maximum number of PFC priorities |
(config-if)# priority-flow-control enable priority 2 3 4 | Enables PFC on priorities 2,3, and 4 |
(config-if)# priority-flow-control linkdelay- allowance 34567 | Configure the link delay allowance |
SW2
#configure terminal | Enter configure mode |
(config)#bridge 1 protocol ieee vlan-bridge | Create bridge 1 as an IEEE VLAN-enabled bridge |
(config)#data-center-bridging enable bridge 1 | Enables DCB on the bridge |
(config)#priority-flow-control enable bridge 1 | Enables PFC on the bridge |
(config)#interface eth1 | Configure interface eth1 |
(config-if)#switchport | Configure eth1 as a layer 2 port |
(config-if)#bridge-group 1 | Configure eth1 in bridge group 1 |
(config-if)#lldp-agent | Enter into LLDP agent mode. |
(lldp-agent)#set lldp enable txrx | Configure LLDP for transmit and receive mode on eth1 |
(lldp-agent)#lldp tlv ieee-8021-org-specific data-center-bridging select | Configure LLDP to send an IEEE 802.1 organizationally specific TLV set in the packet |
(lldp-agent)#exit | Exit from LLDP mode. |
(config-if)#priority-flow-control mode auto | Configure the advertise flag and start sending DCBX TLVs in LLDP messages |
(config-if)# priority-flow-control cap 4 | Configure the maximum number of PFC priorities |
(config-if)# priority-flow-control enable priority 2 3 4 | Enables PFC on priorities 2,3, and 4 |
(config-if)# priority-flow-control linkdelay- allowance 34567 | Configure the link delay allowance |
Validation
SW1
Verify the data set.
OcNOS#sh priority-flow-control details interface xe31
bridge : 1
priority flow control : on
interface : eth1
Admin Configuration
--------------------
mode advertise willing cap link delay priorities
allowance
================================================================================
auto on on 4 34567 2 3 4
--------------------------------------------------------------------------------
Operational Configuration
-------------------------
state cap link delay priorities
allowance
================================================================================
off 4 34567 2 3 4
SW2
Verify the data set.
OcNOS#sh priority-flow-control details interface xe31
bridge : 1
priority flow control : on
interface : eth1
Admin Configuration
--------------------
mode advertise willing cap link delay priorities
allowance
================================================================================
on on off 4 34567 2 3 4
--------------------------------------------------------------------------------
Operational Configuration
-------------------------
state cap link delay priorities
allowance
================================================================================
on 4 34567 2 3 4
Configuring PFC Parameter Exchange
SW2
#configure terminal | Enter configure mode |
(config)#bridge 1 protocol ieee vlan-bridge | Create bridge 1 as an IEEE VLAN-enabled bridge |
(config)#data-center-bridging enable bridge 1 | Enable DCB on the bridge |
(config)#priority-flow-control enable bridge 1 | Enable PFC on the bridge |
(config)#interface eth1 | Configure interface eth1 |
(config-if)#switchport | Configure eth1 as a layer 2 port |
(config-if)#bridge-group 1 | Configure eth1 in bridge group 1 |
(config-if)#lldp-agent | Enter into LLDP agent mode. |
(lldp-agent)#set lldp enable txrx | Configure LLDP for transmit and receive mode on eth1 |
(lldp-agent)#lldp tlv-select ieee-8021-org-specific | Configure LLDP to send an IEEE 802.1 organizationally specific TLV set in the packet |
(lldp-agent)#exit | Exit from LLDP mode. |
(config-if)#priority-flow-control mode on | Configure the advertise flag and start sending DCBx TLVs in LLDP messages |
(config-if)#priority-flow-control cap 4 | Configure the maximum number of PFC priorities |
(config-if)#priority-flow-control enable priority 2 4 5 | Enables PFC on priorities 2,4, and 5 |
(config-if)#priority-flow-control link-delay-allowance 34567 | Configure the link delay allowance |
SW1
#configure terminal | Enter configure mode |
(config)#bridge 1 protocol ieee vlan-bridge | Create bridge 1 as an IEEE VLAN-enabled bridge |
(config)#data-center-bridging enable bridge 1 | Enable DCB on the bridge |
(config)#priority-flow-control enable bridge 1 | Enable PFC on the bridge |
(config)#interface eth1 | Configure interface eth1 |
(config-if)#switchport | Configure eth1 as a layer 2 port |
(config-if)#bridge-group 1 | Configure eth1 in bridge group 1 |
(config-if)#lldp-agent | Enter into LLDP agent mode. |
(lldp-agent)#set lldp enable txrx | Configure LLDP for transmit and receive mode on eth1 |
(lldp-agent)#lldp tlv-select ieee-8021-org-specific | Configure LLDP to send an IEEE 802.1 organizationally specific TLV set in the packet |
(lldp-agent)#exit | Exit from LLDP mode. |
(config-if)#priority-flow-control mode on | Configure the advertise flag and start sending DCBx TLVs in LLDP messages |
(config-if)#priority-flow-control cap 4 | Configure the maximum number of PFC priorities |
(config-if)#priority-flow-control enable priority 2 4 5 | Enables PFC on priorities 2,4, and 5 |
(config-if)#priority-flow-control link-delay-allowance 34567 | Configure the link delay allowance |
Validation
SW1
Verify the data set.
#show priority-flow-control details interface eth1
bridge : 1
priority flow control : on
interface : eth1
Admin Configuration
mode advertise willing cap link priorities
delay
allowance
==============================================================================
on on off 4 34567 2 4 5
Operational Configuration
state cap link priorities
delay
allowance
==============================================================================
on 4 34567 2 4 5
SW2
Verify the data set.
#show priority-flow-control details interface eth1
bridge : 1
priority flow control : on
interface : eth1
Admin Configuration
mode advertise willing cap link priorities
delay
allowance
================================================================================
on on off 4 34567 2 4 5
Operational Configuration
state cap link priorities
delay
allowance
================================================================================
on 4 34567 2 4 5