Posted on August 5, 2020 11:00 am
 |  Asked by JOONHWAN CHO
 |  90 views
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I have tested Recursive PBR.

first of all, I know that when I apply to physical interface, it is normally operate it. But I have tested below test. so I think that it is now operate it…..

I want to test  Recursive PBR that operate interface vlan 100 in  physical interface 34. but In this case, it is not normally operate it.

some case, when I apply Recursive PBR to interface VLAN 100, it is normally operate it.

Please refer to below contents.

If you need  more detailed information,  configuration and network diagram,  please comment it.

In advance, Thank you.

There is network diagram as below.

Customer 1- A- LEAF  – SPINE – SGI-SW- Customer 2
Between SGW-SW  and Customers 2 connects interface VLAN 100 in physical interface 34

there is routing protocol in test network.

A- Leaf -> SGi-SW  routing protocol is L2 VPN VXLAN( underlay is EBGP, Overlay is EVPN)

============ Apply to Interface Ethernet 33 ==========

SGI-SW#show policy-map type pbr
Service policy TEST
Configured on: Ethernet33
Applied on:
10: Class-map: TEST (match-any)
Match: 10 IP Access List TEST
counters per-entry
10 permit ip host 172.1.1.1 any [match 2859012263 packets, 0:36:01 ago]

Configured actions: set nexthop recursive 55.55.55.55
Active routing action:
VRF default
No PBR action

SGI-SW#

===================== Apply to Interface vlan 100 ======================

SGI-SW#show policy-map type pbr
Service policy TEST
Configured on: Vlan100
Applied on: Vlan100
10: Class-map: TEST (match-any)
Match: 10 IP Access List TEST
counters per-entry
10 permit ip host 172.1.1.1 any [match 2859012263 packets, 0:34:53 ago]

Configured actions: set nexthop recursive 55.55.55.55
Active routing action:
VRF default
Route to nexthop 172.1.2.1 default

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Posted by Lokesh Charora
Answered on August 5, 2020 2:43 pm

Hello JOONHWAN,

Thanks for getting in touch. If I understand correctly, the PBR config does work correctly when applied on VLAN interface 100 but the same config does not work when applied on ethernet 33 ?
Could you let us know if ethernet33 is routed port or not ?
Please share the config of ethernet33 to look into this.

Thanks
Lokesh

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Posted by Vignesh
Answered on August 5, 2020 6:07 pm

Hi Joohnwan,

 

While using the PBR and Vxlan together , please refer the below link as it might need some special tcam profile enabled to make it work

 

https://eos.arista.com/eos-4-20-5f/support-to-specify-vxlan-nexthops-for-pbr/

Please let me know whether it helps ,

 

if you are aware of this and still facing the issue can you please paste the  relevant configs of the PBR and the next hops , where that next hop is present and its route details and which version of EOS you are running and tcam profile configuration

Thanks,

Vignesh

 

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