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Cisco Bug: CSCuo72737 - Wrong IP address used for XOR Relayed Address on VCS-E with single LAN i

Last Modified

Mar 11, 2019

Products (2)

  • Cisco TelePresence Video Communication Server (VCS)
  • Cisco TelePresence Video Communication Server Model

Known Affected Releases

X7.2.2 X7.2.2RC3

Description (partial)

Symptom:
When using Movi client with bandwidth probe enabled in the configuration template, RTP BW probe packets get marked as sourced from the VCS-E static NAT IP and destined for the VCS-E static NAT IP. The router will then mark this as a Land Attack and drop the packets.

Conditions:
 - VCS-E used for firewall traversal
 - VCS-E dual NIC option installed
 - Single VCS-E ethernet port in use
 - Movi client used as the endpoint with bandwidth probing enabled.
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