C. Traps and MIBs
IP CIDR Route Group (RFC 2096)
This MIB obsoletes and replaces IP Group from MIB II. The IP CIDR Route Group objects are supported for all data paths currently configured to carry IP data to or from the device (i.e., the DSL and Ethernet interfaces). All of the objects in this group are fully supported except as noted in Table
Table
Object | Description | Setting/Contents | |
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ipCidrRouteTable | Replaces the ipRouteTable in | This is a read/write table. If an interface route is | |
(ipForward 4) | MIB II. It adds knowledge of | deleted but not the corresponding upstream route | |
| autonomous system of the next | (such as with DHCP relay), an SNMP Get for this | |
| hop, multiple next hops, policy | object will still show a table entry for the address and | |
| routing, and classless | mask | assigned to the interface. |
| reject(2) – Value for route type and the | ||
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| ipCidrRouteDownstreamValid will be false. | |
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ipCidrRouteDest | Serves as an index to the routing | This object cannot take a Multicast (Class D) | |
(ipCidrRouteEntry 1) | table. | address value. | |
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ipCidrRouteMask | This is the mask that is logical- | This is the mask before being compared to the value | |
(ipCidrRouteEntry 2) | ANDed with the destination | in the ipCidrRouteDest field. | |
| address. |
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ipCidrRouteTos | The policy specifier is the IP Table | This object will always be 0 (zero). | |
(ipCidrRouteEntry 3) | of the Service field. |
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ipCidrRouteNextHop | The next hop route IP address for | If there is no router, the value is 0.0.0.0. | |
(ipCidrRouteEntry 4) | remote routes. |
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ipCidrRouteIfIndex | Corresponds to the IfIndex value. | Identifies the local interface through which the next | |
(ipCidrRouteEntry 5) |
| hop of the route should be reached. | |
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ipCidrRouteType | This is a | other(1) – Not specified by this MIB (used as | |
(ipCidrRouteEntry 6) |
| interface route). | |
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| reject(2) – Entry not valid for downstream routing. | |
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| local(3) – Route to a directly connected local host | |
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| or service network. | |
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| remote(4) – Route to a nonlocal host or service | |
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| network. | |
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ipCidrRouteProto | Corresponds to routing | This is a | |
(ipCidrRouteEntry 7) | mechanisms via which this route | other(1) – The entry is a host route set up by | |
| was learned. Inclusion of values | ||
| DHCP or loopback route. | ||
| for gateway routing protocols does | ||
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| not imply that the host supports | local(2) – Local interface. | |
| these protocols. | netmgmt(3) – Static route. | |
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ipCidrRouteAge | Reflects the number of seconds | This is a | |
(ipCidrRouteEntry 8) | since this route was last updated | When displayed, a value of 0 (zero) represents a | |
| or otherwise determined to be | ||
| route that will be retained permanently. | ||
| correct. | ||
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ipCidrRouteInfo | This object refers to the particular | If this information is not present (determined by | |
(ipCidrRouteEntry 9) | routing protocol responsible for | ipCidrRouteProto value), the value is set to the | |
| this route. | OBJECT IDENTIFIER (00). | |
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November 2003 |
