338
Configuring X.25 over FR
X.25 over FR
X.25 over FR carries X.25 packets over FR to interconnect two X.25 networks across an FR network,
as shown in Figure 133.
Figure 133
X.25 over FR network diagram
Configuring an SVC application of X.25 over FR
X.25 over FR is an extension to X.25 switching, so you must enable X.25 switch first.
To configure SVC application of X.25 over FR:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enable X.25 switching.
x25 switching
Not enabled by default.
3. Enter interface view.
interface
interface-type
interface-number
N/A
4. Specify the link layer
protocol as FR.
link-protocol fr
[
ietf
|
nonstandard
]
PPP by default.
5. Specify the FR interface
type.
fr
interface-type
{
dce
|
dte
|
nni
} DTE by default.
6. Configure an FR DLCI and
enter its view.
fr dlci
dlci-number
N/A
7. Configure the FR DLCI as
Annex G DLCI.
annexg
{
dce
|
dte
}
N/A
8. Configure the SVC route
x25 switch svc
[ -number ]
x.121-address [
sub-dest
destination-address |
sub-source
source-address ] *
interface
interface-type interface-number
After receiving a packet on the
SVC, the packet is forwarded
though a local interface. Use this
command to configure the local
forward interface.