210-065 · Question #148
On the Cisco VCS-E, what is the default port number for the H.323 connection on the first traversal zone between a Cisco VCS-C and Cisco VCS-E?
The correct answer is D. 6001. The Cisco VCS-E assigns port 6001 by default to the H.323 connection of the first traversal zone when paired with a VCS-C.
Question
On the Cisco VCS-E, what is the default port number for the H.323 connection on the first traversal zone between a Cisco VCS-C and Cisco VCS-E?
Options
- A1719
- B1720
- C5060
- D6001
- E7001
How the community answered
(38 responses)- B3% (1)
- D95% (36)
- E3% (1)
Why each option
The Cisco VCS-E assigns port 6001 by default to the H.323 connection of the first traversal zone when paired with a VCS-C.
Port 1719 is the standard H.225 RAS port used for H.323 gatekeeper registration and discovery, not VCS traversal zones.
Port 1720 is the standard H.323 call-signaling port for direct endpoint connections, not the VCS-E traversal zone port.
Port 5060 is the standard SIP signaling port and is unrelated to H.323 traversal zone configuration.
Cisco VCS-E uses a sequentially assigned port scheme for traversal zones, starting at 6001 for H.323 on the first traversal zone. This port is distinct from standard H.323 ports so that multiplexed traversal traffic can be distinguished from direct signaling traffic through the firewall.
Port 7001 is not the designated default for H.323 on VCS-E traversal zones.
Concept tested: VCS-E traversal zone default H.323 port numbering
Source: https://www.cisco.com/c/en/us/td/docs/telepresence/infrastructure/vcs/config_guide/Cisco-VCS-Administrator-Guide/zones-and-neighbors.html
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