Preview Tool

Cisco Bug: CSCtc25178 - Fail to establish tunnel as route table verification fails XP with IPv6

Last Modified

Mar 12, 2016

Products (1)

  • Cisco AnyConnect VPN Client

Known Affected Releases


Description (partial)


A VPN tunnel cannot be established and the following error is shown to the user:

Unable to successfully verify all routing table modifications are correct.


Windows XP, IPv6 enabled at the OS level and also for the private VPN interface.
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.