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Augustgood
Beginner

Migration strategy dc N7K to N9K

Hi all

 

This my environment:

 

dc1: N7K1-2(VPC+peer gw) ------ VPLS (l2 stretching) + MPLS vpn --------dc2: N9K1-2 (VPC+peer gw)

  hsrp primary ---------------------------------------------------------------------hsrp secondary

 

We will migrate from the old dc to a new dc with hsrp active passive and we will avoid black hole with the secondary hsrp nodes.

 

Can this be achieved? who recommends me some migration strategy

 

2 REPLIES 2
Sergiu.Daniluk
VIP Engager

Hi @Augustgood 

Having a HSRP Active node in DC1 and a HSRP standby node in DC2 will never work because of vPC: in a nutshell, having HSRP Active + Listen in a vpc domain is not supported and will blackhole traffic on the HSRP Listen node. 

I would recommend adding HSRP isolation between VPC domains and having the VIP active in each DC.

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/interfaces/configuration/guide/b_Cisco_Nexus_9000_Series_NX-OS_Interfaces_Configuration_Guide_7x/b_Cisco_Nexus_9000_Series_NX-OS_Interfaces_Configuration_Guide_7x_appendix_011...

 

Stay safe,

Sergiu

Augustgood
Beginner

Hi,

 

If i set the vip the active on each dc with hsrp isolation acl's, how can i stretch the vlan between the DC? can you recommends some migration strategy or a document to improve my knowledge about this migration ?

 

Thx

Stef

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