Scenario:
What I’m trying to do is setup a layer1 to layer 3 connectivity between 1600 T1 router and GSR DS3 line card (6DS3-SMB line card – 6 port packet over DS3) using ADTRAN mx2800 MUX (T3 to T1 MUX) in between.
Here is the Cisco link for line card
http://www.cisco.com/univercd/cc/td/doc/product/core/cis12000/linecard/lc_chan/6587ds3.htm#30706
This ADTRAN MUX splits one DS3 line into 28 DS1 lines.
1600 T1 router <---------->ADTRAN MUX (T1 to T3)<---------------->GSR DS3 line card
Problem:
ADTRAN mux is reporting CAIS error (Carrier side AIS error) on GSR switch. For some reason GSR switch is not sending frames properly to MUX. According to ADTRAN manual and tech support guys, CAIS error is – “The T1 side is receiving all ones from the DS3 side of the network”, which is a GSR line card.
When I setup the MUX for digital and line loop-back, the CKT comes up right away. I'm very positive that there is a problem on GSR switch. I really don’t know what the problem is. There is nothing much to configure on GSR also. All I need is a ping from 1600 router to GSR line card.
Framing on GSR is set to C-bit (also tried for M13)
Used internal clock. (also tried supplying clock from ADTRAN MUX)
Framing on T1 router is set to ESF
Linecode is B8ZS
Used internal clock
In between, MUX will terminate the clock for both DS1 line and DS3 line. So MUX is not generating any clock for DS1 or DS3 network.
This is all I have configured on these 3 boxes.
I need to know if there is anything extra I have to configure on GSR side. I’m attaching related output below (concentrate only on serial 4/1 port).
Any inputs are appreciated and thanks in advance.
GSR configuration:
interface Serial4/1
ip address 200.1.1.1 255.255.255.0
no ip redirects
no ip directed-broadcast
no ip proxy-arp
framing c-bit
clock source internal
show interface serial 4/1
Serial4/1 is up, line protocol is down
Hardware is Packet over DS3
Internet address is 200.1.1.1/24
MTU 4470 bytes, BW 44210 Kbit, DLY 200 usec, rely 213/255, load 1/255
Encapsulation HDLC, crc 16, loopback not set
Keepalive set (10 sec)
Last input never, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 parity
1091553121 input errors, 0 CRC, 25926121 frame, 0 overrun, 0 ignored,
1065627000 abort
5782 packets output, 138759 bytes, 0 underruns
0 output errors, 0 applique, 6 interface resets
0 output buffer failures, 0 output buffers swapped out
1 carrier transitions
show controller serial 4/1 shows (I don't have the actual output)
“Line is up”
show diag details
SLOT 4 (RP/LC 4 ): 6 Port Packet over DS3
MAIN: type 47, 800-8378-01 rev F0
Deviation: 0
HW config: 0x00 SW key: 00-00-00
PCA: 73-5453-02 rev B0 ver 3
Design Release 1.0 S/N SAD053105DR
MBUS: MBUS Agent (1) 73-2146-07 rev B0 dev 0
HW version 1.2 S/N CAB0244AICQ
Test hist: 0x00 RMA#: 00-00-00 RMA hist: 0x00
DIAG: Test count: 0x00000000 Test results: 0x00000000
EEPROM contents (hex):
00: 01 00 01 00 49 00 08 62 07 58 00 00 00 00 00 00
10: 43 41 42 30 32 34 34 41 49 43 51 00 00 00 00 00
20: 01 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 00 2F 01 00 00 49 00 15 4D 02 58 03 00 01 00 00
50: 03 20 00 20 BA 01 78 00 00 00 00 00 00 00 00 00
60: 53 41 44 30 35 33 31 30 35 44 52 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
B0: 00 00 00 00 00 00 00 00 00
FRU: Linecard/Module: 6DS3-SMB-B=
Route Memory: MEM-GRP/LC-256=
Packet Memory: MEM-LC-PKT-128=
L3 Engine: 0 - OC12 (622 Mbps)
MBUS Agent Software version 01.50 (RAM) (ROM version is 02.17)
ROM Monitor version 10.09
Fabric Downloader version used 17.02 (ROM version is 16.02)
Primary clock is CSC 1
Board is analyzed
Flags: 0x4
Board State is Line Card Enabled (IOS RUN )
Insertion time: 00:00:06 (16:11:14 ago)
DRAM size: 268435456 bytes
FrFab SDRAM size: 67108864 bytes
ToFab SDRAM size: 67108864 bytes
0 crashes since restart
