4000 Router Series Layer 2 - WAN Configuration Guide

Description: Serial2/0 Interface

Bandwidth: 64kbps

Maximum Transmit Unit: 1500

Internet Address: 200.1.1.2/16 Primary

Link layer protocol: PPP

LCP opened, IPCP opened

…

[RouterB-Serial2/0] ping 200.1.1.1

Ping 200.1.1.1 (200.1.1.1): 56 data bytes, press escape sequence to break

56 bytes from 200.1.1.1: icmp_seq=0 ttl=128 time=3.197 ms

56 bytes from 200.1.1.1: icmp_seq=1 ttl=128 time=2.594 ms

56 bytes from 200.1.1.1: icmp_seq=2 ttl=128 time=2.739 ms

56 bytes from 200.1.1.1: icmp_seq=3 ttl=128 time=1.738 ms

56 bytes from 200.1.1.1: icmp_seq=4 ttl=128 time=1.744 ms

--- Ping statistics for 200.1.1.1 ---

5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss

round-trip min/avg/max/std-dev = 1.738/2.402/3.197/0.576 ms

IP address negotiation configuration examples

Specifying an IP address for the client on the server interface

Network requirements

As shown in Figure 6, configure Router A to allocate an IP address to Serial 2/0 of Router B through PPP

negotiation. The IP address is specified on Serial 2/0 of Router A.

Figure 6 Network diagram

Configuration procedure

1. Configure Router A:

# Configure an IP address to be assigned to the peer interface on Serial 2/0.

<RouterA> system-view

[RouterA] interface serial 2/0

[RouterA-Serial2/0] remote address 200.1.1.10

# Configure an IP address for Serial 2/0.

[RouterA-Serial2/0] ip address 200.1.1.1 16

2. Configure Router B:

# Enable IP address negotiation on Serial 2/0.

<RouterB> system-view

[RouterB] interface serial 2/0

[RouterB-Serial2/0] ip address ppp-negotiate

3. Verify the configuration: