Preview Tool

Cisco Bug: CSCus60978 - With DHCP ACK response /w option 55 length greater than 254 bytes

Last Modified

Jul 21, 2018

Products (7)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases


Description (partial)

(cisco-6.6.2-i386-gdb) bt
#0  0x042e2c52 in iox_assert () at inc/x86e-nto/global/iosxr-os/os/assert.h:48
#1  0x042e4a5a in dhcpd_assert (cond=0, function=0x4338704 "dhcpd_dictionary_find_by_object", line=198) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_base.c:998
#2  0x042effe3 in dhcpd_dictionary_find_by_object (dobject=0x40d94f0, dobject_length=266) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_dictionary.c:198
#3  0x042efd10 in dhcpd_dictionary_get_or_update_dict_id (dict_id=0, dobject=0x40d94f0, dobject_length=266, line=8625) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_dictionary.c:109
#4  0x0423e442 in dhcpd_proxy_store_requested_options (client_handle=0x10d60398, packetInfo=0x100215ac) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_client_table.c:8622
#5  0x042b308d in dhcpd_proxy_fsm_proc_route_resp (client_handle=0x10d60398, packet_info=0x100215ac, client_var=0x40d9b60) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:2253
#6  0x042af66b in dhcpd_call_fsm (event_type=DHCPD_EVENT_ROUTE_SUCCESS, client_handle=0x10d60398, packet_info=0x100215ac, client_var=0x40d9b60) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:409
#7  0x042b3841 in dhcpd_proxy_fsm_proc_lease_resp (client_handle=0x10d60398, packet_info=0x100215ac, client_var=0x40d9b60) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:2408
#8  0x042af66b in dhcpd_call_fsm (event_type=DHCPD_EVENT_LEASE_DPM_SUCCESS, client_handle=0x10d60398, packet_info=0x100215ac, client_var=0x40d9b60) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:409
#9  0x042b2bb7 in dhcpd_proxy_fsm_process_ack (client_handle=0x10d60398, packet_info=0x100215ac, client_var=0x40d9b60) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:2143
#10 0x042af66b in dhcpd_call_fsm (event_type=DHCPD_EVENT_PACKET_ACK, client_handle=0x10d60398, packet_info=0x100215ac, client_var=0x40d9b60) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:409
#11 0x042b6789 in dhcpd_proxy_process_event (client_handle=0x10d60398, packet_info=0x100215ac, event_type=DHCPD_EVENT_PACKET_ACK) at ipv4/dhcpd/src/dhcp/proxy/dhc4_proxy.c:4075
#12 0x0427e9be in dhcpd_base_process_pkt_event_client_exists (client_handle=0x10d60398, packet_info=0x100215ac, event_type=DHCPD_EVENT_PACKET) at ipv4/dhcpd/src/dhcp/base/dhc4_base.c:1640
#13 0x0427f5c7 in dhcpd_base_process_packet_event (packet_info=0x100215ac) at ipv4/dhcpd/src/dhcp/base/dhc4_base.c:2010
#14 0x042008c6 in dhcpd_iox_process_packet (packetInfo=0x100215ac) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_event.c:594
#15 0x04200c78 in dhcpd_iox_eventQ_process (evc=0x40d9f78, ap=0x8) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_event.c:838
#16 0x04202802 in dhcpd_event_general_dispatch (evc=0x40d9f78, ap=0x8) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_event.c:1943
#17 0x0823dddf in event_async_attach_internal (emp=0x8, code=<value optimized out>, handler=0x1, ap=0x2) at infra/event_manager/src/event_async.c:224
#18 0x0823bf4c in event_create_manager (eflags=<value optimized out>, path=0x0, cflags=<value optimized out>) at infra/event_manager/src/event_manager.c:559
#19 0x04201b45 in dhcpd_iox_event_loop_mel (not_used=0x0) at ipv4/dhcpd/iox/dhcp/base/dhc4_iox_event.c:1360
#20 0x08281050 in ?? ()

DHCP proxy with Opt55 from the client with requested options length >254 bytes

Related Community Discussions

5.1.3 Feature Pack (FP) Content discussion board
This community page to share the content, delivery dates and more details on Feature Packs.   FP2 Content All DDTSs tracking changes in FP2. Features: ---------   Features CSCur18267: ASR9k - 512 Bundle Ethernet enhancement   Features CSCun46269: Need changes in LSPV and PI FIB to send engine type for hashing.   Features CSCur74985: BFD on bundle vlan not working on cluster after upgrade to 5.1.3   Features CSCun11455: Need changes in cpp ucode to send eng type for punt pkt.   Features CSCug63470: ...
Latest activity: Mar 15, 2016
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.