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Cisco Bug: CSCvs89101 - Add vPC/PBR interoperability limitation to Configuration Guides

Last Modified

Feb 14, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

7.0(3)I7(7) 9.2(4) 9.3(3)

Description (partial)

Symptom:
A limitation exists on first-generation Cisco Nexus 9000 devices with Broadcom ASICs where a policy-based routing (PBR) route map with a set ip next-hop statement that resolves to an egress interface of the vPC Peer-Link while the vPC Convergence TCAM region is allocated will drop policy-based routed traffic.

Conditions:
1. First-generation Broadcom-based Nexus 9300 series switch or first-generation Broadcom-based Nexus 9500 series line card
2. vPC Convergence TCAM region is allocated (which is the default setting)
3. Policy-based routing (PBR) policy is applied to an interface with a set ip next-hop statement.
4. IP defined in set ip next-hop statement resolves to using the vPC Peer-Link as the egress interface.
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Bug Details Include

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