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Cisco Bug: CSCus78987 - UDP port 2152 (GPRS) is open by default and can't be manually closed

Last Modified

May 24, 2018

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.1(2)SY 15.4(1)S

Description (partial)

UDP port 2152 is open by default, without additional configuration.

UDP port 2152 is associated with GPRS Tunneling Protocol. GPRS was introduced on XE3.4S.

By default this port is open even without any GPRS configurations. There is currently no way to
manually close the port or disable the service if its not needed.
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