vPC+ configuration template on nexus 5k(N5K-C5596UP-SUP) with nexus 2k A.K.A FEX , and EvPC
The following post shows how to configure vPC+ and EvPC on nexus 5k and nexus 2k. Before we start just a few points to remember:
I have only covered the configuration for nexus 5k and fex for this post. my next post for fabricpath will have configurations for nexus 7k as well
The following list provides the reference terminology for vPC+ components:
- vPC+: The functionality enabled on two independent upstream devices to make them appear as a single logical device to the downstream switches, allowing the establishment of PortChannel connections. All the MAC addresses learned from devices locally attached to downstream devices are advertised to the FabricPath domain as "connected" to the defined emulated switch.
- vPC+ peer device: One of a pair of devices that are connected with the special port channel known as the vPC+ peer link.
- vPC+ peer link: The link used to synchronize states between the vPC+ peer devices. Both ends must be on 10 Gigabit Ethernet interfaces.
- vPC+ domain: This domain is formed by the two vPC+ peer link devices. It is also a configuration mode for configuring some of the vPC+ peer link parameters.
- vPC+ peer-keepalive link: The peer-keepalive link, a Layer 3 link between the vPC+ peer devices, is used to ensure that both devices are up. The peer-keepalive link sends periodic keepalive messages between the vPC peers on an out-of-band path.
- vPC+ member port: Interface that belongs to the vPC+
reference link: http://www.cisco.com/c/en/us/products/collateral/switches/nexus-5000-series-switches/guide_c07-690079.html
5K-1:
!
feature vpc
!
install feature-set fabricpath
feature-set fabricpath
!
feature fex
!
vlan 3
mode fabricpath
vlan 4
mode fabricpath
!
fex 100
pinning max-links 1
description "FEX0100"
fex 200
pinning max-links 1
description "FEX0200"
!
vpc domain 1
role priority 1
peer-keepalive destination 10.95.34.104 source 10.95.34.103
fabricpath switch-id 512
!
interface Ethernet1/14
channel-group 12 mode active
!
interface Ethernet1/15
channel-group 12 mode active
!
interface port-channel 12
switchport mode fabricpath
speed 10000
vpc peer-link
!
interface Ethernet1/17
channel-group 100
!
interface Ethernet1/16
channel-group 200
!
interface port-channel100
switchport mode fex-fabric
switchport trunk allowed vlan none
fex associate 100
vpc 100
!
interface port-channel200
switchport mode fex-fabric
switchport trunk allowed vlan none
fex associate 200
vpc 200
!
5K-2:
!
feature vpc
!
install feature-set fabricpath
feature-set fabricpath
!
feature fex
!
vlan 3
mode fabricpath
vlan 4
mode fabricpath
!
fex 100
pinning max-links 1
description "FEX0100"
fex 200
pinning max-links 1
description "FEX0200"
!
vpc domain 1
role priority 1
peer-keepalive destination 10.95.34.103 source 10.95.34.104
fabricpath switch-id 512
!
interface Ethernet1/14
channel-group 12 mode active
!
interface Ethernet1/15
channel-group 12 mode active
!
interface port-channel 12
switchport mode fabricpath
speed 10000
vpc peer-link
!
interface Ethernet1/17
channel-group 200
!
interface Ethernet1/16
channel-group 100
!
interface port-channel100
switchport mode fex-fabric
switchport trunk allowed vlan none
fex associate 100
vpc 100
!
interface port-channel200
switchport mode fex-fabric
switchport trunk allowed vlan none
fex associate 200
vpc 200
!
after this point your vPC+ peer link and member links should be up , as well as FEX(nexus 2k) should be online
OUTPUTS:
5K2# show fex
FEX FEX FEX FEX
Number Description State Model Serial
------------------------------------------------------------------------
100 FEX0100 Online N2K-C2232TM-E-10GE SSI1xxxxx
200 FEX0200 Online N2K-C2232TM-E-10GE SSI1xxxxx
5K1# show fex
FEX FEX FEX FEX
Number Description State Model Serial
------------------------------------------------------------------------
100 FEX0100 Online N2K-C2232TM-E-10GE SSI1xxxxxx
200 FEX0200 Online N2K-C2232TM-E-10GE SSI1xxxxxx
5K1# show vpc
Legend:
(*) - local vPC is down, forwarding via vPC peer-link
vPC domain id : 1
vPC+ switch id : 512
Peer status : peer adjacency formed ok
vPC keep-alive status : peer is alive
vPC fabricpath status : peer is reachable through fabricpath
Configuration consistency status : success
Per-vlan consistency status : success
Type-2 consistency status : success
vPC role : primary
Number of vPCs configured : 67
Peer Gateway : Disabled
Dual-active excluded VLANs : -
Graceful Consistency Check : Enabled
Auto-recovery status : Disabled
vPC Peer-link status
---------------------------------------------------------------------
id Port Status Active vlans
-- ---- ------ --------------------------------------------------
1 Po12 up 3,4
vPC status
---------------------------------------------------------------------------
id Port Status Consistency Reason Active vlans vPC+ Attrib
-- ---------- ------ ----------- ------ ------------ -----------
100 Po100 up success success - DF: Partial,
FP MAC:
512.0.0
100 Po200 up success success - DF: Partial,
FP MAC:
512.0.0
Now lets configure EvPC. a very simple configuration that can be done on the newly discovered FEX ports .
5K1:
!
interface E100/1/1,E200/1/1
channel-group 300
!
interface port-channel 300
switchport mode trunk
switchport trunk allowed vlan 3,4
spanning-tree port type edge trunk
!
5K2:
!
!
interface E100/1/1,E200/1/1
channel-group 300
!
interface port-channel 300
switchport mode trunk
switchport trunk allowed vlan 3,4
spanning-tree port type edge trunk
!
OUTPUT:
5K1# show vpc
Legend:
(*) - local vPC is down, forwarding via vPC peer-link
vPC domain id : 1
vPC+ switch id : 512
Peer status : peer adjacency formed ok
vPC keep-alive status : peer is alive
vPC fabricpath status : peer is reachable through fabricpath
Configuration consistency status : success
Per-vlan consistency status : success
Type-2 consistency status : success
vPC role : primary
Number of vPCs configured : 67
Peer Gateway : Disabled
Dual-active excluded VLANs : -
Graceful Consistency Check : Enabled
Auto-recovery status : Disabled
vPC Peer-link status
---------------------------------------------------------------------
id Port Status Active vlans
-- ---- ------ --------------------------------------------------
1 Po12 up 3,4
vPC status
---------------------------------------------------------------------------
id Port Status Consistency Reason Active vlans vPC+ Attrib
-- ---------- ------ ----------- ------ ------------ -----------
100 Po100 up success success - DF: Partial,
FP MAC:
512.0.0
100 Po200 up success success - DF: Partial,
FP MAC:
512.0.0
264143 Po300 up success success 3,4 DF: Partial,
FP MAC:
512.0.0
>>>>>>>>>>>output snipped in above<<<<<<<<<<<<<<<<<<<<<
No comments:
Post a Comment