Guest

Preview Tool

Cisco Bug: CSCuq79862 - Administrative distance of LISP away-routes and AM routes clash

Last Modified

Feb 16, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.2(8a)

Description (partial)

Symptom:
AM route for a moved away dynamic host exists along with the lisp-dyn eid Null0 route with the same route-preference.

Conditions:
Happens in an ESM single-hop mobility case on an away xTR. lisp creates a Null0 route for an away host discovered on another datacenter and needs it to win in order to trigger SMRs. However AM installs a route for the same /32 host pointing to the interface extended to another data-center. As a result traffic destined for that dynamic host will be tromboning over the dci link to the other data-center, since the map-cache on the remote data-center won't be updated.
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.