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Cisco Bug: CSCte01576 - 99% CPU for 50 calls with FW+MTP+TRP+DMVPN with Stun inspect configured

Last Modified

Feb 06, 2017

Products (1)

  • Cisco 3800 Series Integrated Services Routers

Known Affected Releases

15.0M 15.1(0.20)T 15.1(1.10)T 15.1(1.5)T

Description (partial)

Symptoms: CPU goes up to 99 percent when TRP is used for making voice calls
with 50 SCCP and 50 SIP endpoints.

Conditions: The symptom is observed when STUN inspection is enabled on the
firewall for media traversal.
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  • Status
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