![]() The number of failed attempts to establish sessions within the last five minutes. The number of users who have active sessions. The number of peak concurrent switch virtual circuit (SVC) sessions since the system has been up. Here's a sample list of custom metrics and OIDs. Choose a suitable MIB file and import OIDs directly. In addition to the default device templates and metrics available, you can also monitor any metric of your choice by specifying its OID and adding custom performance counters. The number of peak concurrent web VPN sessions since the system has been up.Ĭustom SNMP monitoring for Cisco VPN devices The number of active Secure Sockets Layer (SSL) VPN sessions. the connection between a remote access VPN tunnel and a Cisco device is using a web browser instead of a software or hardware client. The total number of clientless web VPN sessions, i.e. A session that is not active is defined as dormant. ![]() A session is said to be active if it is ready to carry application traffic between the user and the managed entity. A session, a connection terminating on the managed entity, is established to provide remote access connectivity to a user. This object cannot be used to create an MIB table row. When this MIB value is queried, the value of active(1) is always returned if the instance exists. When the value is set to destroy(2), the SA bundle is destroyed and this row is deleted from the table. This object can be used to bring the tunnel down by setting the value of this object to destroy(2). This value is accumulated after determining whether or not the packet should be compressed. The total number of octets sent by an IPsec phase 2 tunnel. This value is accumulated before determining whether or not the packet should be decompressed. The total number of octets received by an Internet Protocol Security (IPsec) phase 2 tunnel. The total number of data packets transferred inside the tunnel that were dropped. The total number of data packets transferred outside the tunnel. The total number of data packets transferred inside the tunnel. The total number of octets transferred outside the tunnel. The total number of octets transferred inside the tunnel. Here's a partial list of the metrics we provide by default: Metric To identify and fix these errors in a timely manner, you should monitor your Cisco VPN performance using different SNMP performance metrics. Many things can cause these errors, like shared keys, firewall software errors, and some router and firmware combinations. ![]() VPN devices are prone to issues like “Error received from secure gateway,” “Session could not be established,” and “Login denied, unauthorized connection mechanism, contact your administrator”. ![]()
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