Configuring Serial Interfaces on the Cisco ASR 9000 Series Router
RP/0/0RP0RSP0/CPU0:router(config-fr-vc)# exit
RP/0/0RP0RSP0/CPU0:router(config-subif)# exit
RP/0/0RP0RSP0/CPU0:router(config)# exit
RP/0/0RP0RSP0/CPU0:router# show interface serial 0/1/0/1
Wed Oct
Serial0/1/0/1 is up, line protocol is up
Interface state transitions: 7
Hardware is Serial network interface(s)
Internet address is Unknown
MTU 4474 bytes, BW 44210 Kbit
Encapsulation FRAME-RELAY, crc 16,
Scrambling is disabled, Invert data is disabled
LMI enq sent
LMI enq recvd 0, LMI stat sent
LMI DLCI 1023
Last clearing of "show interface" counters 02:22:09
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Configuring a Serial Interface with PPP Encapsulation: Example
The following example shows how to create and configure a serial interface with PPP encapsulation:
RP/0/0RP0RSP0/CPU0:router# configure
RP/0/0RP0RSP0/CPU0:router(config)# interface serial 0/3/0/0/0:0
RP/0/0RP0RSP0/CPU0:router(config-if)# ipv4 address 172.18.189.38 255.255.255.224
RP/0/0RP0RSP0/CPU0:router(config-if)# encapsulation ppp
RP/0/0RP0RSP0/CPU0:router(config-if)# no shutdown
RP/0/0RP0RSP0/CPU0:router(config-if)# ppp authentication chap MIS-access
RP/0/0RP0RSP0/CPU0:router(config-if)# end
Uncommitted changes found, commit them? [yes]: yes
The following example shows how to configure serial interface 0/3/0/0/0:0 to allow two additional retries
after an initial authentication failure (for a total of three failed authentication attempts):
RP/0/0RP0RSP0/CPU0:router# configuration
RP/0/0RP0RSP0/CPU0:router(config)# interface serial 0/3/0/0/0:0
RP/0/0RP0RSP0/CPU0:router(config-if)# encapsulation ppp
RP/0/0RP0RSP0/CPU0:router(config-if)# ppp authentication chap
RP/0/0RP0RSP0/CPU0:router(config-if)# ppp max-bad-auth 3
RP/0/0RP0RSP0/CPU0:router(config-if)# end
Uncommitted changes found, commit them? [yes]: yes
IPHC Configuration: Examples
This section provides the following examples:
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OL-26061-03
8 04:13:45.046 PST DST
reliability 255/255, txload 0/255, rxload 0/255
1110, LMI stat recvd 875, LMI upd recvd 0, DTE LMI up
LMI type is CISCO
853 packets input, 12153 bytes, 0 total input drops
0 drops for unrecognized upper-level protocol
Received 0 runts, 0 giants, 0 throttles, 0 parity
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
853 packets output, 11089 bytes, 0 total output drops
0 output errors, 0 underruns, 0 applique, 0 resets
0 output buffer failures, 0 output buffers swapped out
IPHC Profile Configuration: Example, page 546
IPHC on a Serial Interface Configuration: Examples, page 546
IPHC on Multilink Configuration: Example, page 546
Cisco ASR 9000 Aggregation Services Router Interfaces and Hardware Component Configuration Guide
Configuration Examples for Serial Interfaces
0, LMI upd sent
0
frame relay DTE
545
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