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Cisco Bug: CSCuo29028 - ASR9K/4.3.4 Route not deleted after dhcpv4 proxy bind deletion

Last Modified

Jun 05, 2020

Products (8)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco IOS XR Software
  • 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)

ASR9K is not removing the routes from the routing table, when the DHCP binding is removed. The following error message will be seen. Due to this, there will be random delay for some clients in getting IP address. 

ipv4_rib[1135]: %ROUTING-RIB-3-ECMP_ERR_ADD : Path add exceed max number of paths supported by protocol. Table 0xe0000015, prefix, protocol subscriber, intf 0x800df60, tunnelid 0, nexthop_table 0xe0000015, nexthop

ASR9K configured as DHCP proxy
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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