Equal Cost Multiple Path (ECMP) - Limit 4 (PA-5220)

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Equal Cost Multiple Path (ECMP) - Limit 4 (PA-5220)

L2 Linker

Hi All,

 

I need your inputs here. I have a client using ECMP (4 Links.) and they recently procured another ISP making it 5. Based on the documentation of Palo Alto Networks, the max ECMP is 4. Is there any other work around to make ECMP 5 or utilize the 5th ISP?

1 ACCEPTED SOLUTION

Accepted Solutions

Cyber Elite
Cyber Elite

There's really not a way to get around the 4 link ECMP limit. You can separate the 5th link to a dedicated purpose or into a separate VR, but not into the same ECMP group.

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2 REPLIES 2

Cyber Elite
Cyber Elite

There's really not a way to get around the 4 link ECMP limit. You can separate the 5th link to a dedicated purpose or into a separate VR, but not into the same ECMP group.

Is there any reason why Palo Alto limit the 4 path for ECMP? Configuring Another VR would mean that traffic should be routed to the new VR for specific applications. I am also considering to our client to configure a PBF to the new ISP just to override the default routing table for specific apps.

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