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Cisco Bug: CSCvu29840 - Reduced throughput of traffic going over GRE tunnels routed by PBR

Last Modified

Jun 30, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases


Description (partial)

Throughput of traffic is reduced once going over GRE tunnels routed by PBR. Issue is seen after upgrade from Nova to Polaris. The target version is 16.3.8 but issue is also seen on other releases.

1. Having GRE tunnel and PBR configured.
2. Upgrade from 3.X to 16.X.X (Nova to Polaris).
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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