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Cisco Bug: CSCuj44922 - GRE route leaking within the same switch doesn't work

Last Modified

May 21, 2020

Products (5)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3016 Switch
  • Cisco Nexus 3064-T Switch
  • Cisco Nexus 3048 Switch

Known Affected Releases

5.0(3)U4(1) 6.0(2)U1(1)

Description (partial)

GRE traffic is dropped if sourced by a GRE tunnel that has a different VRF from the source loopback interface when destination is a GRE tunnel on the same switch in a different VRF

loopback 1 and 2 in VRF blue.
Tunnel 1 bound to loopback 1 using vrf blue.
Tunnel 2 bound to loopback 2 using vrf red.
Ping from Tunnel 2 to Tunnel 1 will be dropped.
Check attachments for more info on config.
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Bug Details Include

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