Chapter 5
Setup and Configuration
RUGGEDCOM ROX II
User Guide
638 Viewing the Round Trip Time Statistics
• Section 5.29.10, “Managing Ethernet Types for Generic Tunnels”
Section 5.29.1
Viewing the Round Trip Time Statistics
The round trip time statistics reflect the measured round trip time to each remote daemon. The minimum,
average, maximum and standard deviation of times is presented. Entries with a large difference between the
Transmitted and Received parameters indicate potential problems.
To view the round trip time statistics, navigate to tunnel » l2tunneld » status » round-trip-time. The Round Trip
Time Statistics form appears.
NOTE
Round trip time statistics are only available when remote daemon IP addresses are configured for
generic tunnels. For more information about remote daemon IP addresses, refer to Section 5.29.8,
“Managing Remote Daemon IP Addresses for Generic Tunnels”.
Figure 746: Round Trip Time Statistics Form
1. Remote IP 2. Transmitted 3. Received 4. Minimum RTT 5. Average RTT 6. Maximum RTT 7. Deviation
This table provides the following information:
Parameter Description
remote-ip The IP address of remote daemon.
Section 5.29.2
Configuring L2TP Tunnels
The Layer Two Tunneling Protocol (L2TP) is used primarily to tunnel Point-to-Point Protocol (PPP) packets
through an IP network, although it is also capable of tunneling other layer 2 protocols.
ROX II utilizes L2TPD in conjunction with Openswan and PPP to provide support for establishing a secure,
private connection with the router using the Microsoft Windows VPN/L2TP client.
IMPORTANT!
L2TPD listens on UDP port 1701. If a firewall is enabled, it must be configured to only allow
connections to L2TPD through IPsec . Direct connections to L2TPD must be prevented.
To configure L2TP tunnels, do the following:
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