Cisco Bug: CSCuw44584 - Stack reloads introducing "no switch XX provision"with ACL applied in XX
Last Modified
Sep 13, 2018
Products (23)
- Cisco Catalyst 2960-X Series Switches
- Cisco Catalyst 2960X-24PS-L Switch
- Cisco Catalyst 2960X-24PD-L Switch
- Cisco Catalyst 2960X-48LPS-L Switch
- Cisco Catalyst 2960X-24TS-LL Switch
- Cisco Catalyst 2960X-48TS-LL Switch
- Cisco Catalyst 2960X-48TD-L Switch
- Cisco Catalyst 2960XR-24TS-I Switch
- Cisco Catalyst 2960XR-48FPS-I Switch
- Cisco Catalyst 2960XR-24TD-I Switch

Known Affected Releases
15.0(2)EX1
Description (partial)
Symptom: You could crash when you have a stack with several switches and switch XX has one interface which applies an ACL , then you remove phisically switch XX and you perform the command "no switch 4 provision" the device crashes. ipv6 access-list IPv6_FH_SECURITY remark Block IPv6 DHCP Server deny udp any eq 547 any eq 546 remark Block Router Advertisements deny icmp any any router-advertisement permit ipv6 any any interface GigabitEthernet4/0/1 switchport access vlan 160 switchport mode access switchport port-security maximum 3 switchport port-security switchport port-security aging time 1 switchport port-security violation restrict switchport port-security aging type inactivity no logging event link-status power inline auto max 15400 ipv6 traffic-filter IPv6_FH_SECURITY in <<<<<<<<< no snmp trap link-status *** Then, we remove switch 4**** Switch Ports Model SW Version SW Image ------ ----- ----- ---------- ---------- 1 52 WS-C2960X-48TD-L 15.0(2a)EX5 C2960X-UNIVERSALK9-M 2 52 WS-C2960X-48TD-L 15.0(2a)EX5 C2960X-UNIVERSALK9-M * 3 52 WS-C2960X-48TD-L 15.0(2a)EX5 C2960X-UNIVERSALK9-M 513E.B.11-2900-8#config t Enter configuration commands, one per line. End with CNTL/Z. 513E.B.11-2900-8(config)#no switch 513E.B.11-2900-8(config)#no switch provisi 513E.B.11-2900-8(config)#no switch 4 provision 20:08:28 UTC Mon Sep 28 2015: Unexpected exception to CPUvector 1100, PC = 1FD095C -Traceback= 0x1FD095Cz 0x1FDF060z 0x1FB1EFCz 0x27158E8z 0x270F928z Conditions: To have applied an ACL to one interface of the switch that has been removed.
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