STN-PROXYTUNNEL-MIB

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Organization: Spring Tide Networks

Last Updated: 2000-01-16

Category: IPsec / VPN, Spring Tide Networks

Description: Manages Spring Tide Networks proxy tunnel configuration, endpoint associations, and operational state.

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What Is STN-PROXYTUNNEL-MIB?

STN-PROXYTUNNEL-MIB is a vendor-specific MIB module from Spring Tide Networks (an early IP service-edge/broadband router vendor later folded into Lucent) that models proxy tunnel constructs used to aggregate and forward subscriber traffic across the network. It exposes configuration and operational-state data for tunnel endpoints, endpoint associations, and tunnel status rather than raw traffic counters. Administrators use it primarily to monitor the software-level health of the tunneling subsystem, checking whether configured tunnel endpoints are up, correctly associated, and passing traffic as expected, so it functions as an operational-status/fault indicator rather than a hardware sensor MIB. As an enterprise MIB it stands largely on its own, though it is typically polled alongside standard IF-MIB interface counters for the underlying physical ports. It would be deployed in networks using Spring Tide (later Lucent) broadband service routers providing proxy tunneling/service-edge aggregation for ISPs. Engineers can download the STN-PROXYTUNNEL-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in STN-PROXYTUNNEL-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Spring Tide Networks / Lucent broadband service router

Monitoring Examples

An administrator would poll the proxy tunnel table (indexed by tunnel/endpoint identifiers) to check the operational state of each configured tunnel and its endpoint association, alerting if a tunnel that should be active reports a down or misconfigured state. Because no sample object names were available for this module, monitoring in practice centers on the tunnel endpoint and association objects implied by the module description, cross-referenced against the router's IF-MIB interface table to correlate a failed tunnel with the underlying physical link.

What Can Be Monitored

proxy tunnel endpoint status
tunnel-to-endpoint associations
tunnel operational state
tunnel configuration parameters

Imported Objects

From IF-MIB

InterfaceIndex

From SNMPv2-CONF

MODULE-COMPLIANCE

From SNMPv2-SMI

Counter64
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DisplayString

From SPRING-TIDE-NETWORKS-SMI

stnNotification

OBJECT-IDENTITY

From STN-POLICY-MIB

stnPMProxyTunnel

OBJECT-IDENTITY

How to Use in IPNetwork Monitor

Example using stnProxyTunnelInPkts OID:

Select a Spring Tide Networks/Lucent broadband service router as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type stnProxyTunnelInPkts into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The total number of packets received across the proxy tunnel. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
stnProxyTunnel	1.3.6.1.4.1.3551.2.11.1.16.1			This MIB module describes managed objects of Spring Tide Networks Proxy Tunnel.
stnProxyTunnelObjects	1.3.6.1.4.1.3551.2.11.1.16.1.1
stnProxyTunnelTable	1.3.6.1.4.1.3551.2.11.1.16.1.1.1		not-accessible	A list of Proxy Tunnel entries.
stnProxyTunnelEntry	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1		not-accessible	Entry contains information about a particular Proxy Tunnel.
I32 stnProxyTunnelSerialNumber	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.1	Integer32	read-only	The serial number of the Proxy Tunnel Interface.
I32 stnProxyTunnelRouterInstance	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.2	Integer32	read-only	The instance of the router corresponding to this proxy tunnel.
I32 stnProxyTunnelConnIdleTimeOut	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.3	Integer32	read-only	The timeout in seconds that the tunnel will stay connected even if no activity takes place.
I32 stnProxyTunnelPolicyInstance	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.4	Integer32	read-only	The instance of the policy from which the proxy tunnel was created.
STR stnProxyTunnelPolicyName	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.5	DisplayString	read-only	The name of the policy associated with this proxy tunnel interface.
INT stnProxyTunnelEncapsType	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.6	INTEGER	read-only	The type of encapsulation used on the proxy tunnel. A value of stnProxyTunEncapsIpIp indicates an IP-IP encapsulation on the tunnel. A value of stnProxyTunEncapsIpGre indicates an IP/GRE encapsulation and a value of stnProxyTunEncapsIpsec indicates IPSEC encapsulation on the tunnel.
INT stnProxyTunnelState	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.7	INTEGER	read-only	The state of the proxy tunnel. A value of up indicates that the proxy tunnel is ready to send and receive data.
NUM stnProxyTunnelL3IfaceTx	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.8	InterfaceIndex	read-only	Interface index of the L3 interface over which the proxy tunnel is established. The interface corresponding to this index is used by the proxy i tunnel to send out packets.
IP stnProxyTunnelLocalTunnelAddr	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.9	IpAddress	read-only	The IP address of the local tunnel end-point.
IP stnProxyTunnelRemoteTunnelAddr	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.10	IpAddress	read-only	The IP address of the remote tunnel end-point.
OCT stnProxyTunnelInESPSPIs	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.11	OCTET STRING	read-only	Packet array of Security Protocol Indices corresponding to incoming ESP security assocations used to encapsulate traffic on the proxy tunnel when the encapsulation type is set to IPSEC.
OCT stnProxyTunnelOutESPSPIs	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.12	OCTET STRING	read-only	Packet array of Security Protocol Indices corresponding to outgoing ESP security assocations used to encapsulate traffic on the proxy tunnel when the encapsulation type is set to IPSEC.
OCT stnProxyTunnelInAHSPIs	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.13	OCTET STRING	read-only	Packet array of Security Protocol Indices corresponding to incoming AH security assocations used to encapsulate traffic on the proxy tunnel when the encapsulation type is set to IPSEC.
OCT stnProxyTunnelOutAHSPIs	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.14	OCTET STRING	read-only	Packet array of Security Protocol Indices corresponding to outgoing AH security assocations used to encapsulate traffic on the proxy tunnel when the encapsulation type is set to IPSEC.
I32 stnProxyTunnelEncapsIndex	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.15	Integer32	read-only	Index of the Encapsulation entry in the stnPmEncapsTable used to encapsulate traffic on the proxy tunnel when the encapsulation type is set IP-IP or IP-GRE.
C64 stnProxyTunnelInPktsEx	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.16	Counter64	read-only	The total number of packets received across the proxy tunnel.
C64 stnProxyTunnelInErrPkts	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.17	Counter64	read-only	The number of packets received across the proxy tunnel that were determined to be erroneous.
C64 stnProxyTunnelOutPkts	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.18	Counter64	read-only	The total number of packets sent out the proxy tunnel.
C64 stnProxyTunnelOutErrPkts	1.3.6.1.4.1.3551.2.11.1.16.1.1.1.1.19	Counter64	read-only	The number of packets determined to be in error and discarded before sending over the tunnel.

RFC description

Configures and monitors Spring Tide Networks proxy tunnels for secure network traffic forwarding.

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Download STN-PROXYTUNNEL-MIB