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Cisco Bug: CSCuw34533 - NCS should not allow duplicate pre-allocated prefix for CPE LANs

Last Modified

May 05, 2016

Products (1)

  • Cisco Application Deployment Engine

Known Affected Releases

3.32B(2)

Description (partial) 

Symptom:
NCS currently allows duplicate pre-allocated prefix for two diffirent CPE LAN segments, as shown below:
admin@ncs-sm> conf
Entering configuration mode private
[ok][2015-09-21 20:41:45]

[edit]
admin@ncs-sm% set cloudvpn m8801 cpe CPE-1 pre-allocated prefix 192.168.0.0/24
[ok][2015-09-21 20:41:49]

[edit]
admin@ncs-sm% set cloudvpn m8801 cpe CPE-2 pre-allocated prefix 192.168.0.0/24
[ok][2015-09-21 20:41:53]

[edit]
admin@ncs-sm% commit 
No modifications to commit.
[ok][2015-09-21 20:41:55]

[edit]
admin@ncs-sm%

Duplicate or overlap CPE LAN prefix will result in no connectivity for one of the CPE site. NCS should check that when pre-allocated prefix is used for CPE LAN, IP prefix for the different CPEs are not duplicated or overlap.

Conditions:
CPE LAN pre-allocated prefix configuration.
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