Nortel Networks 8000 User Manual

Page 246

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

Nortel Secure Router 8000 Series

Configuration -WAN Access

7 LAPB and X.25 configuration

# Specify an X.121 address for this interface.

[RouterB-Serial1/0/0] x25 x121-address 20112452

# Specify the address mapping heading for the peer.

[RouterB-Serial1/0/0] x25 map ip 202.38.160.1 x121-address 20112451

# Increase the traffic control parameters slightly because the routers are directly connected.

[RouterB-Serial1/0/0] x25 packet-size 1024 1024

[RouterB-Serial1/0/0] x25 window-size 5 5

[RouterB-Serial1/0/0] shutdown

[RouterB-Serial1/0/0] undo shutdown

Step 3

Verify the configuration.

The two ends can establish VC only when they have communication requirement because

SVC is adopted in this example.

# Configure Router A to ping Router B.

[RouterA-Serial1/0/0] ping 202.38.160.2

PING 202.38.160.2: 56 data bytes, press CTRL_C to break

Reply from 202.38.160.2

bytes=56 Sequence=1 ttl=255 time=280 ms

bytes=56 Sequence=2 ttl=255 time=40 ms

bytes=56 Sequence=3 ttl=255 time=30 ms

bytes=56 Sequence=4 ttl=255 time=50 ms

bytes=56 Sequence=5 ttl=255 time=30 ms

-- 202.38.160.2 ping statistics ----

5 packet(s) transmitted

5 packet(s) received

0.00% packet loss

round-trip min/avg/max = 30/86/280 ms

The VC establishes between the two devices. Display the mapping information on Router A.

[RouterA-Serial1/0/0] display x25 map

Interface: Serial1/0/0(protocol status is UP)

Ip address:ip 202.38.160.2

X.121 address:20112452

Map-type: SVC_MAP VC-number: 1

Facility:

# Display the VC information on Router A.

[RouterA-Serial1/0/0] display x25 vc

Interface: Serial1/0/0

SVC 1024

State: P4

Map: ip 202.38.160.2 to 20112452

Window size: input 5 output 5

Packet Size: input 1024 output 1024

Local PS: 5 Local PR: 5 Remote PS:

4 Remote PR: 5

Local Busy: FALSE Reset times:

Input/Output:

DATA 5/5 INTERRUPT 0/0

RR 0/0 RNR 0/0 REJ 0/0

Bytes 420/420

Snd Queue(Current/Max):

0/200

Issue 5.3 (30 March 2009)

Nortel Networks Inc.

7-43