All MIBs › GSM7324-ROUTING-MIB › agentRouterOspfRFC1583CompatibilityMode
agentRouterOspfRFC1583CompatibilityMode
Module: GSM7324-ROUTING-MIB
OID (symbolic): GSM7324-ROUTING-MIB::agentRouterOspfRFC1583CompatibilityMode
OID (numeric): 1.3.6.1.4.1.4526.1.7.2.4.11
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-write
Description: From RFC2328: Controls the preference rules used in Section 16.4 when choosing among multiple AS-external-LSAs advertising the same destination. When set to 'enabled', the preference rules remain those specified by RFC 1583 ([Ref9]). When set to 'disabled', the preference rules are those stated in
Section 16.4.1, which prevent routing loops when AS- external-LSAs for the same destination have been originated from different areas. Set to 'enabled' by default.
In order to minimize the chance of routing loops, all OSPF routers in an OSPF routing domain should have RFC1583Compatibility set identically. When there are routers present that have not been updated with the functionality specified in Section 16.4.1 of this memo, all routers should have RFC1583Compatibility set to 'enabled'. Otherwise, all routers should have RFC1583Compatibility set to 'disabled', preventing all routing loops.
What is agentRouterOspfRFC1583CompatibilityMode?
Selects which tie-breaking rule OSPF uses when multiple AS-external routes exist for the same destination from different areas: enabled (the default) follows the older RFC 1583 rule, disabled follows RFC 2328 Section 16.4.1, which prevents certain routing loops that RFC 1583's rule allows. Per RFC guidance, every OSPF router in the same domain should be set identically, and only be switched to disabled once all routers support the newer behavior.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4526.1.7.2.4.11 snmpwalk -v2c -c public <target> GSM7324-ROUTING-MIB::agentRouterOspfRFC1583CompatibilityMode
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.4526.1.7.2.4.11.1 snmpget -v2c -c public <target> GSM7324-ROUTING-MIB::agentRouterOspfRFC1583CompatibilityMode.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.4526.1.7.2.4.11.1 i <value>
Start monitoring Netgear GSM7324 managed Layer 2/3 switch (routing) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the GSM7324-ROUTING-MIB::agentRouterOspfRFC1583CompatibilityMode OID value, configure state conditions and alerts, and monitor any Netgear GSM7324 managed Layer 2/3 switch (routing) from a single console.
OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.4526 | netgear | FSM726S-MIB |
| 1.3.6.1.4.1.4526.1 | snmpManagedSwitch | FSM726S-MIB |
| 1.3.6.1.4.1.4526.1.7 | gsm7324 | GSM7324-REF-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.4526.1.7.2 | gsm7324Routing | GSM7324-ROUTING-MIB |
| 1.3.6.1.4.1.4526.1.7.2.4 | agentRouterOspfConfigGroup | GSM7324-ROUTING-MIB |
| 1.3.6.1.4.1.4526.1.7.2.4.11 | agentRouterOspfRFC1583CompatibilityMode | GSM7324-ROUTING-MIB |