>> MIB - Management Information Base

>> Table: ipExtIfTable - (.1.3.6.1.4.1.272.4.5.3.1)

ipExtIfTable
OIDNameTypeAccess
.1IndexINTEGERR
.3RipSendENUMRW
.4RipReceiveENUMRW
.5ProxyArpENUMRW
.6NatENUMRW
.7NatRmvFinENUMRW
.8NatTcpTimeoutINTEGERRW
.9NatOtherTimeoutINTEGERRW
.10NatOutXlatENUMRW
.11AccountingENUMRW
.12TcpSpoofingENUMRW
.13AccessActionENUMRW
.14AccessReportENUMRW
.15OspfENUMRW
.16OspfMetricENUMRW
.17TcpCksumENUMRW
.18BackRtVerifyENUMRW
.19RuleIndexINTEGERRW
.20AuthenticationENUMRW
.21AuthModeENUMRW
.22AuthLifeTimeINTEGERRW
.23AuthKeepaliveINTEGERRW
.24RouteAnnounceENUMRW
.25IpFragmentationENUMRW
.26ReroutingENUMRW
.27BodRuleIndexINTEGERRW
.28QosRuleIndexINTEGERRW
.29IpsecAccountingENUMRW
.30MulticastENUMRW
.31NatSilentDenyENUMRW
.33NatPPTPXlatENUMRW
.34TcpMssClampingINTEGERRW

Index
Unique interface index
RipSend
specifies which versions of RIP messages are sent
to that interface. Usually RIP messages are sent as 
broadcast, except this object is set to ripV2mcast. In
this case RIP V2 messages are sent to the multicast 
address 224.0.0.9 .
Enumerations:
  • ripV1 (1)
  • ripV2 (2)
  • both (3)
  • none (4)
  • ripV2mcast (5)
  • ripV1trig (6)
  • ripV2trig (7)
RipReceive
specifies which versions of RIP messages are accepted
from that interface. RIP V2 messages are received 
regardless if they are sent as broadcast or multicast.
Enumerations:
  • ripV1 (1)
  • ripV2 (2)
  • both (3)
  • none (4)
  • ripV1trig (5)
  • ripV2trig (6)
ProxyArp
Switch for Proxy ARP on this interface.
Enumerations:
  • off (1)
  • on (2)
  • up-only (3)
Nat
This object can be used to switch NAT on and off for
a specific interface.
Enumerations:
  • off (1)
  • on (2)
  • reverse (3)
NatRmvFin
This object specifies, whether entries in the IpNatTable
shall be removed, when TCP-FINS have been received and
acknowledged in both directions, a TCP-RST has been received
or a ICMP-ERROR message has been received for the entry.
Enumerations:
  • no (1)
  • yes (2)
NatTcpTimeout
TCP NAT entries vanish unconditionally after not being
used for the amount of time specified by this object
in seconds.
NatOtherTimeout
Non-TCP NAT entries vanish unconditionally after not being
used for the amount of time specified by this object
in seconds.
NatOutXlat
This object can be used to switch the outgoing address
translation off. Then, all addresses are passed instead
of being translated. The session mechanism remains
active and implements a security mechanism.
Enumerations:
  • on (1)
  • off (2)
Accounting
Switch for accounting on the specified interface. An IP
packet is being accounted, when this object is set to
on for either the source or the destination interface.
Enumerations:
  • off (1)
  • on (2)
TcpSpoofing
Switch for TCP spoofing on this interface. TCP keepalive
polls are answered by the BRICK to prevent unnecessary
ISDN connections. Set this object to on for ISDN
dialup interfaces.
Enumerations:
  • off (1)
  • on (2)
AccessAction
This object describes the action, that is done,
when a packet received from the interface has been
filtered out. When set to ignore, no action takes
place. When set to refuse, an ICMP unreachable message
is being sent to the originator of the packet.
Enumerations:
  • ignore (1)
  • refuse (2)
AccessReport
This object specifies, how a packed filtered by accesslists
should be logged. When set to none, no logging takes place.
When set to info, protocol, ip-addresses and portnumbers
are logged. When set to dump, a dump of the first 64 bytes
of the packet will be written to the syslog table.
Enumerations:
  • none (1)
  • info (2)
  • dump (3)
Ospf
Configure the OSPF status of this interface. Routing 
information about routes on passive and active interfaces is 
propagated on active interfaces. Only active interfaces run
the OSPF protocol. When set to off the interface and its
associated routes are invisible to the OSPF protocol.
Enumerations:
  • passive (1)
  • active (2)
  • off (3)
OspfMetric
Configure the metric calculation of OSPF interfaces. If set
to auto the metric is calculated based on ifSpeed. If set
to fixed the metric is taken from the ospfIfMetricTable.
Additionaly the metric adjustment for dialup interfaces 
can be configured. If set to auto-adjust or fixed-adjust
the basic metric value is reduced if the operational status
of the dialup interface is up.
Enumerations:
  • auto (1)
  • fixed (2)
  • auto-adjust (3)
  • fixed-adjust (4)
TcpCksum
Enable or disable the TCP checksum check for local packets
received on the corresponding interface. Disabling the check
may improve performance for some local applications (i.e.
remote CAPI). This object should only be set to dont-check
on interfaces for LANs without further routers. Packets
received from routers may have a corrupted TCP checksum
and TCP will no longer be able to detect those packets. The
TCP checksum must be checked by the receiving TCP under any
circumstances, when TCP header compression is used on any 
router.
Enumerations:
  • check (1)
  • dont-check (2)
BackRtVerify
This object activates an additional check for incoming 
packets. If set to on, incoming packets are only accepted
if return packets sent back to their source IP address
would be sent over the same interface. This prevents
packets being passed from untrusted interfaces to this
interface.
Enumerations:
  • off (1)
  • on (2)
RuleIndex
This object defines the index of the first access rule
that is applied for incoming packets. If set to 0 or if 
there is no access rule with this index no access rules 
are applied for this interface.
Authentication
This object defines the authentication scheme used for
incoming packets.
Enumerations:
  • off (1)
  • securID (2)
AuthMode
This object defines the authentication mode. If set to strict
each source IP address must be authenticated. If set to 
loose all source IP addresses are allowed if at least one
IP address is successfully authenticated.
Enumerations:
  • strict (1)
  • loose (2)
AuthLifeTime
This object defines the time in seconds a successful 
authentication is valid since the IP partner was 
authenticated.
AuthKeepalive
This object defines the period between short authentications
that are invisible to the user
RouteAnnounce
This object defines the condition when routes on this
interface are propagated by routing protocols.
If set to up-only routes are only propagated
if the operational status of the interface is up. If set
to up-dormant routes are propagated if the status is 
up or dormant. If set to always routes are propagated 
independent of the operational status.
Enumerations:
  • up-only (1)
  • up-dormant (2)
  • always (3)
IpFragmentation
This object defines different modes used for fragmentation
of IP datagrams greater than the MTU of the destination
interface. If set to enabled (1) each IP datagram will be
splitted into a first fragment MTU sized and the last one
smaller than the first. If set to disabled (2) an ICMP
unreachable message will be performed. The equal (3) mode
defines a fragmentation technique wich generates fragments
having approximately the same size whereon the reverse (4)
mode starts with a small fragment followed by MTU sized
fragment(s).
Enumerations:
  • enabled (1)
  • disabled (2)
  • equal (3)
  • reverse (4)
Rerouting
This object enables or disables rerouting on this interface. 
The default value is enabled. If set to disabled, then only
the better one route from two or more possible routes is 
chosen, even if the ifOperStatus of the interface for this 
route is dormant.
Enumerations:
  • enabled (1)
  • disabled (2)
BodRuleIndex
This object defines the index of the first rule used for
Bandwidth on Demand (BOD) that is applied for incoming and/or
outgoing traffic. If set to 0 or if there is no entry in
the ipBodRuleTable with this index no BOD-specific information
is applied for this interface.
QosRuleIndex
This object defines the index of the first rule used for
Qos (Qualtiy of Service) rules applied for IP traffic.
If set to 0 or if there is no entry in the ipQoSTable with
this index no QoS-specific information is applied for this
interface.
IpsecAccounting
This object determines, whether packets which are en- or 
decapsulated by IPSec should be accounted with encapsulation 
header(ipsec) or without the encapsulation header (clear),
or even twice (both).
Enumerations:
  • ipsec (1)
  • clear (2)
  • both (3)
Multicast
Enable that multicast frames are accepted
from that interface.
Enumerations:
  • off (1)
  • on (2)
NatSilentDeny
This object specifies - if NAT is enabled (see ipExtIfNat) -
whether incoming IP packets not passed by the NAT barrier
should answered with an ICMP Host Unreachable or TCP RST
message addressed to to packet originator. If set to
enabled(2), such incoming IP packets will be silently
discarded.
Enumerations:
  • disabled (1)
  • enabled (2)
NatPPTPXlat
This object specifies - if NAT is enabled (see ipExtIfNat) -
whether PPTP (point to point protocol) connections are
translated. This is needed if there are more than one
PPTP client behind NAT.
Enumerations:
  • disabled (1)
  • enabled (2)
TcpMssClamping
This object specifies whether TCP MSS clamping is enabled
on the interface. -1 disables clamping, 0 clamps the MSS
depending on the interface MTU. A value > 0 will be used
as clamping size.


Copyright ©2003 by BinTec Access Networks GmbH
This page was last modified on: 11.03.2003 by Projectmanager Maintenance