X.25-To-X.25 Pvc Parameters - Cabletron Systems Netlink FRX8000 User Manual

When Changes Take Effect
PVC Parameters
Bandw. Alloc. Group
Primary/Secondary Logical Channel
Configuring X.25
When you add a new PVC record, the change will be written to the database as soon
as you enter the final parameter value. When you modify a parameter in an existing
record, the change will be written to the database instantly.
The virtual connection will be established when the nodes at both ends undergo
re-IPL. If you want to establish a connection without disrupting node operation, create
an identical PVC on line. Press
Menu) and enter the requested information, noting the values in Table 10-5. (This is
described in greater detail under
Explanations follow the table. Note that parameters labeled in a record as Primary or
Secondary identify each end of the connection. (It does not matter which end is
which.)
Table 10-5 X.25-to-X.25 PVC Parameters
Parameter
PVC Type
Bandw. Alloc. Group
Node
LP
Por t
Logical Port Num ber (
Primary/Secondary Logical Channel
Primary/Secondary Subscriber Name
Primary/Secondary Packet Size
Primary/Secondary Window Size
Logical channels must be lower than the lowest LCNs assigned to any subscribers on the
1
ports in a PVC record.
16, 32, 64,128, 256, 512, 1024, 2048
2
Maxim um Packet Size
Cannot be greater than the smaller
3
for both ends of the connection.
is a method of prioritizing outgoing traffic over the trunk. Each IP and IPX network
interface, SVC Subscriber, and PVC is assigned to a trunk allocation group defined by
a Percent of Bandwidth
Defaults file. (See "Configuring Bandwidth Allocation
is a logical link between the node and each subscriber. The physical line may have a
number of logical channels. An LCN assigned to a port in a PVC record must be lower
than the lowest LCN specified for any SVC subscriber on the same port.
at the Operations Menu (or
[D]
"Creating/Deleting a PVC On Line"
Valid Values
0 (
X.25-to-X.25
1–3
1–250
0–7
0–63
) 8–63
N74/7500 PDN
1–4095
0–24 characters
16–4096
3
1–7
,
4096
or
specified in the Port records for both ends of the connection.
Maximum Window Siz
value ( 1–100 ) and a Priority
[B], [D]
on page 9-20.)
Default Value
) 0
1
local node
0
0
8
1 1
none
2
128
2
. Cannot be greater than the smaller
e specified in the Port records
( 0–9 ) specified in the Network
Groups" on page 8-2.)
from the Main
9-19