Guest

Preview Tool

Cisco Bug: CSCup31456 - Input queue of Dialer interface is wedged

Last Modified

Feb 20, 2018

Products (73)

  • Cisco IOS
  • Cisco 881SRSTW Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
View all products in Bug Search Tool Login Required

Known Affected Releases

15.2(4)M1

Description (partial)

Symptom:
Input queue of dialer interface is wedged by following procedure.

1) Establish IPsec tunnel on PPPoE session.
2) Shut the physical PPPoE Interface
3) Clear IPsec  session (clear crypt session)
4) No shut phsical PPPoE Interface
5) Ping through IPsec tunnel while PPPoE session and IPsec session is establishing again.
6) input queue of Dialer Interface is wedged like below:

Router #show int dialer 1 | i Input queue|Dialer1
Dialer1 is up, line protocol is up (spoofing)
  Input queue: 20/75/0/0 (size/max/drops/flushes); Total output drops: 0  <<<<

7) At last input queue is completely wedged and drop counter is increased like below:

Router #show int dialer 1 | i Input queue|Dialer1
Dialer1 is up, line protocol is up (spoofing)
  Input queue: 76/75/89/0 (size/max/drops/flushes); Total output drops: 0    <<<<<

Conditions:
Problem is happened with  ISM-VPN-29 and is not happened with Onboard-VPN.
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.