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Cisco Bug: CSCur11541 - Disable uRPF cli for IPv6

Last Modified

Apr 08, 2020

Products (7)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3016 Switch
  • Cisco Nexus 3064-T Switch
  • Cisco Nexus 3048 Switch
  • Cisco Nexus 3132Q Switch
  • Cisco Nexus 3172 Switch

Known Affected Releases


Description (partial)

N3K(config-if)# show run | in urpf
system urpf disable

N3K(config)# int e1/2
N3K(config-if)# ip verify unicast source reachable-via rx
Error:  Cannot configure URPF as it has been globally disabled

N3K(config-if)# ipv6 verify unicast source reachable-via rx

N3K(config)# sh run int e1/2
version 6.0(2)U2(4)

interface Ethernet1/2
  no switchport
  speed 1000
  ip address
  ipv6 address fd12:3456:789a:1::/64
  ipv6 verify unicast source reachable-via rx

When the uRPF is disabled in the global;
Platform N3K;
Code 6.0.2;
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Bug Details Include

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