o alternative subnet addresses
Support: L1,L2,IP
Default: No addresses Value: Set of subnet-address
A set of alternative IP addresses and subnet masks for this
interface. You can modify this characteristic only when the
entity is disabled.
o arp holding time
Support: IP
Default: 600 Value: 30-65535
Number of seconds to hold on to a routing circuit ip address
translation entity. This characteristic is supported only if the
circuit's type characteristic is csma-cd.
o arp response waiting time
Support: IP
Default: 3 Value: 1-10
Number of seconds to wait for an ARP response when an ARP request
has been sent. This characteristic is supported only if the
circuit's type characteristic is csma-cd.
o authentication type
Support: L1,L2,IP
Default: None Value: None or simple
Type of authentication to be used for LAN L1 Hellos, LAN L2
Hellos, or PtPt Hellos on this circuit.
o data link entity
Support: All
Default: No data link Value: Local-entity-name
name
Name of the entity within the data link module to be created when
a port is opened for that data link type. You can modify this
characteristic only when the entity is disabled. This attribute
is supported for all types of circuits, however for X.25 circuits
set the attribute to x25 access.
o directed broadcast
Support: L1,IP
Default: On Value: Off or On
Specifies how an IP packet is to be forwarded on a broadcast
link.
off Discard the packet silently.
on Broadcast the packet using data level link broa that either
of the following conditions is true:
o The packet's subnet address matches the value of the
subnet address characteristic.
o The packet's subnet address matches one of the values of
the alternative subnet addresses characteristic.
This characteristic is supported only if the characteristic type
is set to csma-cd.
o dna neighbor
Support: L1,L2
Default: True Value: True or false
If true, specifies that the neighbor is expected to be DNA
compliant, and so proprietary mechanisms are possible. If
false, no router-to-router Hellos or LSPs will be sent over
this circuit. This characteristic is supported only if the
characteristic type is not x25 da. You can modify this
characteristic only when the entity is disabled.
o enable phaseiv address
Support: All
Default: True Value: True or false
Specifies whether the physical LAN address is to be set to the
Phase IV style LAN address (that is, AA-00-04-00-xx-xx). The
LAN address is set only if this attribute is true and the value
of the Phase IV Address characteristic is not 0.0. If Phase IV
Address is not 0.0 and there are multiple adaptors to the same
LAN, only one circuit may have this attribute set to true. This
characteristic is supported only if the characteristic type is
set to csma-cd.
o explicit receive verification
Support: All
Default: True Value: True or false
Type of password verification performed at circuit
initialization. If true, the received verifier is checked
against the value of the characteristic receive verifier for
this circuit, if any. If false, the received verifier is checked
against the set of verifiers specified in the routing permitted
neighbor entities. This attribute is supported only if the
characteristic type is set to ddcmp, hdlc, x25 static incoming,
x25 static outgoing, and x25 permanent.
o hello timer
Support: L1,L2
Default: 10 Value: 1-32767
Interval, in seconds, between IS Hello messages.
o idle timer
Support: All
Default: 30 Value: 1-65535
Number of seconds of idle time before a call is cleared. This
attribute is supported only if the characteristic type is x25 da.
o inactive area address
Support: All
Default: No area Value: Set of area addresses
address
Area address associated with the use of the inactive subnet of
ISO 8473. Maximum area address that may be present is 1. This
characterisitic is supported only if the characteristic type is
set to csma-cd.
o initial minimum timer
Support: All
Default: 55 Value: 1-65535
Period, in seconds, for which an X.25 call remains connected
after being established, irrespective of traffic. This should be
set small enough that the call is cleared before the start of the
next charging interval. This attribute is supported only if the
characteristic type is x25 da.
o isis hello timer
Support: L1,L2
Default: 3 Value: 1-32767
Interval, in seconds, between LAN level 1 and level 2 router-to-
router Hello messages. This value is also used as the interval
between IS Hello messages when polling the ES configuration.
o L1 cost
Support: L1,L2
Default: 20 Value: 1-63
Cost of this circuit for level 1 traffic.
o L1 router priority
Support: L1,L2
Default: 64 Value: 1-127
Priority for becoming LAN level 1 designated router. This
attribute is supported only if the circuit's characteristic type
is csma-cd.
o L2 cost
Support: L2
Default: 20 Value: 1-63
Cost of this circuit for level 2 traffic.
o L2 router priority
Support: L2
Default: 64 Value: 1-127
Priority for becoming LAN level 2 designated router. This
attribute is supported only if the circuit's characteristic type
is csma-cd.
o manual data link sdu size
Support: All
Default: 1492 Value: 128-65535
Preferred maximum data-link block size, in octets. You can modify
this characteristic only when the entity is disabled. If the
characteristic type is csma-cd, this characteristic is a read-
only attribute whose value is fixed at 1492.
o manual data link sdu size for ip
Support: IP
Default: See Value: 128-65535
description
Preferred maximum DSDU size, in octets, for the transmission
of IP packets. The DSDU size includes the size of the packet
containing the IP header. On point-to-point HDLC links, the DSDU
size also includes the 1-octet link encapsulation (that is, the
maximum IP packet size is the value of this attribute minus 1).
The default value depends on the circuit type, as follows:
csma-cd 1500
ddcmp 1500
hdlc 1500
X.25 (all 576
types)
You can modify this characteristic only when the entity is
disabled.
o manual L2only mode
Support: L2
Default: False Value: True or false
If true, specifies that this circuit is to be used only for level
2 traffic. If false, the circuit may be used for both level 1 and
level 2 traffic. You can modify this characteristic only when the
entity is disabled.
o manual routers
Support: End
Default: No router Value: Set of LAN addresses
IDs
Manually entered IDs of routers. If this set is empty, the
circuit will auto-configure the routers. This characteristic is
supported only if the circuit's characteristic type is csma-cd.
For Tru64 UNIX, a maximum of 5 routers can be in the set.
o maximum arp retries
Support: IP
Default: 3 Value: 1-10
Maximum number of times that an ARP request can be sent for the
same IP address. This characteristic is supported only if the
circuit's characteristic type is set to csma-cd.
o maximum call attempts
Support: All
Default: 10 Value: 0-255
Maximum number of successive X.25 call failures before the
circuit is regarded as being halted. A value of zero means that
there is no limit to the number of retries.
This attribute is supported only if the characteristic type is
set to x25 static outgoing. You can modify this characteristic
only when the entity is disabled. Also, you can only increase the
characteristic value.
o maximum svc adjacencies
Support: All
Default: 1 Value: 1-65535
Number of routing circuit adjacency entities to reserve for
SVCs on this circuit. This is effectively the maximum number
of simultaneous calls possible on this circuit. This attribute is
supported only if the characteristic type is x25 da.
o originating queue limit
Support: L1,L2
Default: 2 Value: 1-50
Maximum number of data PDUs originated by this node that can
be on this circuit's transmit queue. This should be set to the
minimum number required to keep the data link from idling. You
can modify this characteristic to a higher value when the entity
is disabled; you can never modify it to a lower value.
o recall timer
Support: All
Default: 60 Value: 0-65535
Interval, in seconds, that must elapse between a call failure and
a recall. This attribute is supported only if the characteristic
type is set to x25 static outgoing, x25 da, hdlc, or ddcmp.
o receive passwords
Support: L1,L2,IP
Default: No passwords Value: Set of hex-string
Set of passwords that are valid in received LAN L1 Hellos, LAN
L2 Hellos, and PtPt Hellos when simple authentication is in use
on this circuit. You cannot use the show command to display the
value of this attribute.
o receive verifier
Support: All
Default: No verifier Value: Hex string, length 0-38
Value against which a neighbor node's received verifier is
to be checked. If no verifier is specified, no verification
is performed. This attribute is supported only if the
characteristic type is either ddcmp, hdlc, x25 static incoming,
x25 static outgoing, or x25 permanent. You cannot display this
characteristic.
o reserved adjacency
Support: End
Default: False Value: True or false
If true, specifies that one SVC must be reserved for connection
to a router. If false, no SVC needs to be reserved for
this purpose. This characteristic is supported only if the
circuit's characteristic type is x25 da). You can modify this
characteristic only when the entity is disabled.
o reserve timer
Support: All
Default: 600 Value: 1-65535
Interval, in seconds, during which the SVC remains reserved for
the previous DTE address after a call is cleared due to lack of
traffic. This attribute is supported only if the characteristic
type is x25 da.
o rip generated default route
Support: L1,L2,IP
Default: False Value: True or false
If true, this specifies that the default route is announced
in RIP messages sent on this circuit, with the metric
value specified in the RIP generated default route metric
characteristic. If false, the default route is not generated.
o rip generated default route metric
Support: L1,L2,IP
Default: 1 Value: 0-16
Specifies the metric to be used when announcing a generated
default route through RIP on this circuit.
o rip neighbors
Support: L2,IP
Default: No addresses Value: Set of IP-addresses
IP addresses of neighboring systems with which RIP will be
exchanged on this circuit.
If the circuit is a point-to-point circuit, this set must contain
a single IP address if the rip state characteristic is to be set
to send and receive. Also, you must disable the entity before
altering this characteristic.
If the rip send type characteristic is set to broadcast, only RIP
messages from addresses specified in this set will be received;
other messages will be silently discarded.
This characteristic is supported only if the routing protocols
supported characteristic of the routing entity includes the RIP
routing protocol.
o rip poisoned reverse
Support: L2,IP
Default: True Value: True or false
Specifies whether poisoned reverse routes are to be sent in RIP
messages on this circuit. If false, poisoned reverse routes are
not sent.
This characteristic is supported only if the routing protocols
supported characteristic of the routing entity includes the RIP
routing protocol.
o rip receive default route
Support: L2,IP
Default: True Value: True or false
Specifies whether the default route is accepted from RIP messages
on this circuit. If false, the default route from RIP messages on
this circuit is discarded.
This characteristic is supported only if the routing protocols
supported characteristic of the routing entity includes the RIP
routing protocol.
o rip send type
Support: L2,IP
Default: Broadcast Value: Broadcast or point-to-point
Specifies how RIP messages are sent on this circuit.
broadcast RIP messages are sent via data link broadcast.
point-to- RIP messages are sent directly to each IP address
point specified in the rip neighbors characteristic.
This characteristic is supported only if the routing protocols
supported characteristic of the routing entity includes the RIP
routing protocol and if the circuit's type characteristic is
csma-cd.
o rip state
Support: L2,IP
Default: Off Value: See description
Specifies how RIP messages are treated on this circuit.
off RIP messages cannot be sent or received on this
circuit.
receive RIP messages can be received but not sent on this
circuit.
send and RIP messages can be sent and received on this
receive circuit.
This characteristic is supported only if the routing protocols
supported characteristic of the routing entity includes the RIP
routing protocol.
o send password
Support: L1,L2,IP
Default: No password Value: Hex-string
Password to be sent in LAN L1 Hellos, LAN L2 Hellos, and PtPt
Hellos when simple authentication is used on this circuit.
You cannot use the show command to display the value of this
attribute.
o subnet address
Support: IP
Default: 0.0.0.0 Value: Subnet address
IP address and subnet mask of this interface. You can modify this
characteristic only when the entity is disabled.
o template
Support: All
Default: No template Value: Template-id
name
Name of the template to be used when a port is opened for this
data-link type. If no template name is specified, no template is
used. You can modify this characteristic only when the entity is
disabled.
o transmit verifier
Support: All
Default: No verifier Value: Hex-string, length 0-38
Value to be transmitted for verifying the identity of this node.
If no verifier is specified, no verifier is transmitted. This
characteristic is supported only if the characteristic type is
either ddcmp, hdlc, x25 static outgoing, x25 static incoming, or
x25 permanent. You cannot display this characteristic.
o type
Support: All
Type of circuit. You cannot modify this characteristic. This
characteristic is set by means of an argument to the create
command.
csma-cd The circuit is a broadcast circuit.
ddcmp The circuit is a DDCMP circuit.
hdlc The circuit is an HDLC circuit.
x25 da The circuit is a dynamically allocated X.25
circuit.
x25 X.25 permanent virtual circuit.
permanent
x25 static Static incoming X.25 circuit.
incoming
x25 static Static outgoing X.25 circuit.
outgoing
o X.25 filters
Default: See Value: Set of simple names
description
Specifies the set of X.25 filters to be used when a port is
opened to the X.25 module. Typically, there will be two sets: one
to specify the selection on the Call User Data field for DECnet-Plus
and the other to specify the selection on the subaddress
for Phase IV. This attribute is valid only if the characteristic
type is x25 static incoming or x25 da.