Perle Systems P840 manual Event Logs

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Event Logs

* Local DNS server added to firewall

The IP address of the Local DNS server added to the table of services available through the firewall.

* Local DNS server removed from firewall

The IP address of the Local DNS server removed from the table of services available through the firewall.

* NAT UDP flooding – Possible security risk. Src is <IP address>

Generated when more than the allowed maximum number of UDP entries has been attempted. This feature is in place to prevent denial of service attacks. The source IP address of the UDP datagrams is displayed.

* NAT table full

Generated when no more ports are available for Network Address Translation.

* No available remote site for leased line X

Generated when attempting to set up a default leased line remote site and the remote site table is filled, no space is available to create another entry. The user must manually edit the table to remove some remote site profiles before another entry can be made.

* No saved configuration, using default

Generated during a cold start when no saved configuration is available.

* No ISDN call configured for remote site <remote site alias>

The remote site selected does not have the ISDN parameters configured properly to make a connection – re-edit the site profile.

* No ISDN line available for remote site <remote site alias>

All ISDN lines are currently in use; none are available for the new connection requested. May be generated when CMCP is enabled and more ISDN calls are attempted than there are available ISDN lines.

* No ISDN resource available for remote site <remote site alias>

All ISDN lines are currently in use; none are available for the new connection requested. May be generated when CMCP is enabled and more ISDN calls are attempted than there are available ISDN lines.

* No remote site available

The remote site table is full, there is no space available to create a remote site profile for this ISDN number or IP address. The user must manually edit the table to remove some remote site profiles before another entry can be made.

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Contents Perle P840 Introduction P840 RouterARP-Address Resolution Protocol IP Routing and the P840 RouterProxy ARP Complete IP Connection IP Header Details Icmp Messages UnreachableRedirect QuenchUpdate Mechanism RIP-Routing Information ProtocolPing Time and Mask serverBridging and the P840 Router Initial Bridging ProcessStation Address Learning Aging Timer Filled Address Table Address PurgingAging Exception P840 Router Feature Definitions TelnetLink Compression Typical Compression Ratios by File Type WAN Topologies Bandwidth On DemandMultilink MultipointOperating Software Upgrades Time of Day Connect ApplicationP840 Isdn Connection Management Wide Area Network Topologies SupportedCall Establishment Methods Isdn Connection Management Auto-Call Time-of-Day ConnectionsAddress Connect Manual CallConnection Process CombinationIdle Timer Protocol AwarenessSuspension Process Interesting TrafficP840 Session Participation Spoofing Suspended ServerIP Specifics Termination ProcessIP Address Connect Suspension of TCP/IP SessionsConsole Connector Pinout InformationEvent Logs Event logsEvent Logs Event Logs Event Logs Event Logs Event Logs Alarm logs Event Logs Event Logs Event Logs Code Description Code Event Logs Event Logs Event Logs Event Logs Event Logs PPP Security logs MAC Address Filtering SecurityFiltering Security-Filter if DestinationSecurity-Filter if Source Security-Forward if Destination Filtering Security-Forward if SourceFiltering Pattern Filter Operators Bridge Pattern FilteringProtocol Discrimination Protocol Type Field Internet Protocol IPFilter all IP Packets IP, and no moreFiltering Transport Control Protocol / Internet Protocol TCP/IP Filter only TCP/IPFilter all IP without TCP traffic Filter all except TCP/IPBandwidth Conservation Filter all DECEthernet Broadcasting Ethernet MulticastingGeneral Restrictions Internet AddressesEthernet Station Addresses Mask Combinations Mask would be 6-010203040506&12-0800&23-06 ExampleIP Router Pattern Filtering Frame Formats Ethernet Type Codes Octet Locations on an IP Routed TCP/IP Frame Octet Locations on a Bridged XNS Frame

P840 specifications

Perle Systems is renowned for its high-performance networking hardware, and the Perle P840 model exemplifies this reputation with its advanced features and technologies. Designed for small to medium-sized enterprises, the P840 serves as a versatile and reliable solution for connectivity needs.

One of the main features of the Perle P840 is its robust network performance, supporting both Ethernet and serial connectivity. With support for RS-232, RS-422, and RS-485 interfaces, the P840 enables seamless integration of legacy devices into modern network architectures, allowing businesses to leverage existing infrastructure without the need for extensive upgrades.

The P840 also boasts advanced security features to protect sensitive data during transmission. It supports SSL encryption and VPN capabilities, ensuring that data travels securely across the network. Additionally, it implements strong authentication protocols, providing organizations with peace of mind knowing that their communications are safeguarded against potential threats.

Another standout characteristic of the P840 is its flexibility in configuration. It offers multiple port configurations, allowing for customization based on specific user needs. With options for both managed and unmanaged modes, the device can easily adapt to various network environments. This flexibility makes it suitable for diverse applications, including industrial automation, process control, and telecommunications.

The Perle P840 is designed for durability and reliability, featuring a rugged enclosure that can withstand demanding environments. Its solid-state components reduce the risk of failure, contributing to increased uptime and lower maintenance costs. Furthermore, the compact design allows for easy installation in tight spaces, making it a practical choice for various deployment scenarios.

In terms of management and monitoring, the P840 includes an intuitive web-based interface, enabling administrators to configure settings and monitor network performance effortlessly. SNMP support further enhances management capabilities, allowing for integration into larger network management systems.

Overall, the Perle P840 stands out as a powerful solution for enterprises seeking seamless connectivity, robust security, and flexibility in configuration. Its combination of advanced features and durable design makes it an ideal choice for industries requiring reliable serial and network connectivity in challenging environments. With the P840, businesses can build a resilient networking infrastructure that supports their growing demands while safeguarding their critical data.
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