Guest

Preview Tool

Cisco Bug: CSCup03961 - DHCP Lease_limit counter not deduct when sub-intf been delete with subs

Last Modified

Jul 20, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.1.1.BASE

Description (partial)

Symptom:
customer delete a sub-intf with subscriber session, then configure ambiguous vlan (vlan range), found DHCP discover can not been processed probably. packets been dropped due to limit count limitation:

==============
RP/0/RSP0/CPU0:May  8 00:56:33.776 : dhcpd[1081]: DHCPD: TP2704: Client 84c9.b279.689e - lease limit already reached for increment, type per circuit id, value ^P
RP/0/RSP0/CPU0:May  8 00:56:33.776 : dhcpd[1081]: DHCPD: TP2710: Proxy lease limit count increment failed for DISCOVER packet for chaddr 84c9.b279.689e
RP/0/RSP0/CPU0:May  8 00:56:33.776 : dhcpd[1081]: DHCPD: TP2805: Client delete called for chaddr 84c9.b279.689e due to reason Lease Limit exceeded
=================

Conditions:
1# has subscriber session on this sub-intf
2# customer use Lease_limit counter
3# delete sub-intf when there are sessions on line.
Bug details contain sensitive information and therefore require a Cisco.com 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.