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Cisco Bug: CSCvs54272 - C9300 crash when removing configuration no ipv6 nd ra dns server that is not currently configured.

Last Modified

Aug 29, 2020

Products (34)

  • Cisco IOS
  • Cisco Catalyst 9300-48T-A Switch
  • Cisco Catalyst 9300-48P-A Switch
  • Cisco Catalyst 9300-48U-A Switch
  • Cisco Catalyst 9300-48UXM-A Switch
  • Cisco Catalyst 9800-40 Wireless Controller
  • Cisco Catalyst C9500-16X-E Switch
  • Cisco Catalyst 9300-48UN-A Switch
  • Cisco Catalyst 9800-L-C Wireless Controller
  • Cisco Catalyst C9500-24Q-A Switch
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Known Affected Releases

16.12.1

Description (partial)

Symptom:
When removing a configuration statement that is not present on a Vlan the device crashes.

C9300-3#show run int vlan 104
Building configuration...

Current configuration : 274 bytes
!
interface Vlan104
 description User Access IAN
 vrf forwarding IAN
 ip address 24.0.48.1 255.255.255.0
 ip helper-address global 10.222.118.112
 load-interval 30
 ipv6 address 2024:0:4:20::1/64
 ipv6 dhcp relay destination global 2001:4898:2001:8:FE::3
 no autostate
end

C9300-3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
C9300-3(config)#int vlan 104
C9300-3(config-if)#no ipv6 nd ra dns server 2001:4898:2001:8:FE::3

Conditions:
C9300-3>

Exception to IOS Thread:
Frame pointer 0x7F40CC257300, PC = 0x562A4F6E7FB0

UNIX-EXT-SIGNAL: Segmentation fault(11), Process = SSH Process
-Traceback= 1#fd0911f178a12c6f3c4de9871dc88283  :562A4738C000+835BFB0 :562A4738C000+8358486 :562A4738C000+83CC39E :562A4738C000+724C901 :562A4738C000+724A17E :562A4738C000+5D15E1E :562A4738C000+7269147 :562A4738C000+9F76C35 

Fastpath Thread backtrace: 
-Traceback= 1#fd0911f178a12c6f3c4de9871dc88283  c:7F4145F24000+EDEA3 

Packet Thread backtrace: 
-Traceback= 1#fd0911f178a12c6f3c4de9871dc88283  c:7F4145F24000+EDEA3 prelib:7F41C207C000+3E96 prelib:7F41C207C000+3E96 

Auxiliary Thread backtrace: 
-Traceback= 1#fd0911f178a12c6f3c4de9871dc88283  pthread:7F414429C000+D1C5 

RAX = 0000000000000000  RBX = 0000000000000088
RCX = 0000000000000059  RDX = 0000000000000001
RSP = 00007F40CC257300  RBP = 00007F40CC257330
RSI = 80007F40BE8D21A0  RDI = 8000000000000088
R8  = 0000000000000000  R9  = 0000000002000000
R10 = 00007F410BB10010  R11 = 0000562A4F6E4680
R12 = 80007F40BE8D21A0  R13 = 80007F40BE8D21A0
R14 = 0000000000000000  R15 = 8000000000000000
RFL = 0000000000010246  RIP = 0000562A4F6E7FB0
CS = 0033  FS = 0000  GS = 0000
ST0 = 0000 0000000000000000  ST1 = 0000 0000000000000000
ST2 = 0000 0000000000000000  ST3 = 0000 0000000000000000
ST4 = 0000 0000000000000000  ST5 = 3FFF 8000000000000000
ST6 = 3FFF 8000000000000000  ST7 = 0000 0000000000000000
X87CW = 037F  X87SW = 0000  X87TG = 0000  X87OP = 0000
X87IP = 00007F4171B184E7  X87DP = 0000004480577630
XMM0  = 00000000000000000000000000000000
XMM1  = 7FFFFFFFFFFFFFFF7FFFFFFFFFFFFFFF
XMM2  = 00000000000000040000000000000004
XMM3  = 80000000000000008000000000000000
XMM4  = 0000562A59A9664C00007F40CC25742C
XMM5  = 00007F40C89531300000562A5602AD90
XMM6  = 31686374697753070000000F00000000
XMM7  = 0000562A5A166D380300000003000000
XMM8  = 00000000000059030000000000000000
XMM9  = C3328300000000000000000000000000
XMM10 = 0002007EBE79D370DB80EA11B124A813
XMM11 = 32820000000000000000000000000000
XMM12 = 02007EBE79D370DB80EA11B124A813C3
XMM13 = 00000000000000000000000000000000
XMM14 = 00000000000000000000000000000000
XMM15 = 00000000000000000100000000010000
MXCSR = 00001F80
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Bug Details Include

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