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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


Description (partial)

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

1# has subscriber session on this sub-intf
2# customer use Lease_limit counter
3# delete sub-intf when there are sessions on line.
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