3Com MSR 50 Series Configuration Manual page 391

# Configure Serial 2/0.
[RouterB] interface serial 2/0
[RouterB-Serial2/0] link-protocol ppp
[RouterB-Serial2/0] ppp authentication-mode pap domain system
[RouterB-Serial2/0] ppp pap local-user rtb password simple rtb
[RouterB-Serial2/0] ppp mp mp-group 1
[RouterB-Serial2/0] shutdown
[RouterB-Serial2/0] undo shutdown
[RouterB-Serial2/0] quit
# Configure the users in the domain to use the local authentication scheme.
[RouterB] domain system
[RouterB-isp-system] authentication ppp local
[RouterB-isp-system] quit
Verify the results on Router A
[RouterA] display ppp mp
Mp-group is Mp-group1
Bundle Multilink, 2 member, Master link is Mp-group1
0 lost fragments, 0 reordered, 0 unassigned, 0 interleaved,
sequence 0/0 rcvd/sent
The bundled member channels are:
Serial2/0
Serial2/0
# Check the state of Mp-group1
[RouterA] display interface Mp-group 1
Mp-group1 current state : UP
Line protocol current state : UP
Description : Mp-group1 Interface
The Maximum Transmit Unit is 1500, Hold timer is 10(sec)
Internet Address is 111.1.1.1/24
Link layer protocol is PPP
LCP opened, MP opened, IPCP opened, MPLSCP opened
Physical is MP
Output queue : (Urgent queue : Size/Length/Discards)
Output queue : (FIFO queuing : Size/Length/Discards)
5 minutes input rate 0 bytes/sec, 0 packets/sec
5 minutes output rate 0 bytes/sec, 0 packets/sec
5 packets input, 58 bytes, 0 drops
5 packets output, 54 bytes, 0 drops
# On Router A, ping the remote IP address:
[RouterA] ping 111.1.1.2
PING 111.1.1.2: 56
Reply from 111.1.1.2: bytes=56 Sequence=1 ttl=255 time=29 ms
Reply from 111.1.1.2: bytes=56 Sequence=2 ttl=255 time=31 ms
Reply from 111.1.1.2: bytes=56 Sequence=3 ttl=255 time=29 ms
Reply from 111.1.1.2: bytes=56 Sequence=4 ttl=255 time=30 ms
Reply from 111.1.1.2: bytes=56 Sequence=5 ttl=255 time=30 ms
--- 111.1.1.2 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
PPP and MP Configuration Example
data bytes, press CTRL_C to break
391
0/500/0
0/75/0