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asr9k interchasis configuration?

Umit AYDINLI
Level 1
Level 1

Hi Experts,

 

I have two set ASR 9006 Chassis=2 x RSP 440, 4x4TE Line cards. Active software XR 5.4.3

I have 4 service providers, 2 cloud operators connection. I need a backup hardware. 

 

I want to backup and redundancy for the ASR9K chasies. I'm looking the configuration example but I can't find. 

 

Could you explain how to possible interchassis redundancy for the ASR9K?

1 Accepted Solution

Accepted Solutions

tkarnani
Cisco Employee
Cisco Employee

Hi Umit,

 

there is the nv cluster solution, however it is not really supported anymore.

 

https://community.cisco.com/t5/service-providers-documents/asr9000-xr-cluster-nv-edge-guide/ta-p/3151344

 

we can also do MC-LAG if your connection to the provider is layer 2

 

https://community.cisco.com/t5/service-providers-documents/asr9000-xr-multichassis-lag-or-mc-lag-mclag-guide/ta-p/3133825

 

Thanks

View solution in original post

2 Replies 2

tkarnani
Cisco Employee
Cisco Employee

Hi Umit,

 

there is the nv cluster solution, however it is not really supported anymore.

 

https://community.cisco.com/t5/service-providers-documents/asr9000-xr-cluster-nv-edge-guide/ta-p/3151344

 

we can also do MC-LAG if your connection to the provider is layer 2

 

https://community.cisco.com/t5/service-providers-documents/asr9000-xr-multichassis-lag-or-mc-lag-mclag-guide/ta-p/3133825

 

Thanks

As Tarun mention nv edge is the only real method of clustering (vPC / multichassis / etc) available but its unsupported after 5.3.4.  It is only supported with RSP440 and -TR -SE tengige cards.

 

MC-LAG is one alternative but config heavy as you need to offload 1 set of VLANs to one ASR9K and the other set to the other ASR9K for active/standby.

 

Another alternative would be EVPN which is an active/active method with dual routers.

 

Sam

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