7 Replies Latest reply on Jul 16, 2012 11:59 AM by kalync

    Netvanta 1224STR w/T1 module to TSU100e/Cisco 2513

    dtdionne New Member

      Greetings,

       

      The 1224 is connected to the TSU100e with a T1x.  The cable is cat5 and about 3 feet long.  Here's the setup:

       

      1. TSU provides telco layer 1 timing
      2. TSU and 1224 have 1 DS0 allocated, HDLC
      3. TSU DS0 timing is set to internal
      4. Behind the 1224 is the following Dynamips setup
        1. 4 3725's w/16FE acting as switches
        2. 7 3725's
        3. 3 1900's
        4. 2 ASA's
      5. Behind the TSU100 is the following physical gear
        1. 1 4000 w/4 Serial and 1 tokenring
        2. 3 2500's

       

      When the T1 is up I can ping from tip to tail and everything is cool, then for some unknown reason the T1 goes down.  It might be becuase I bumped the cable but I'm not sure...but once it goes down it's a full on production with snake charmers, belly dancers, and tibetin monks to get it back up and I can't figure out why.

       

      Any thoughts or guidance?

        • Re: Netvanta 1224STR w/T1 module to TSU100e/Cisco 2513
          patrick Employee

          The TSU 100e is a layer 1 device. It is providing physical
          layer connectivity between the T1 and the V.35 interface.

           

          When the T1 goes down, what alarms or errors are indicated
          on the TSU 100e? You can go into the STATUS menu and look at the ACTIVE ALARMS,
          as well as NI ERRORS. In the Netvanta 1224 you can do a “show interface” to see
          the status of the T1 interface. If there is an LOS alarm, this is “loss of
          signal” which means a total disconnect. A red alarm is a loss of framing,
          indicating the T1 signal is there but the equipment cannot get frame sync. If
          there are alarms, you can try a T1 loopback plug to verify the alarms clear to
          a loopback. If they do not, then the cable, the loopback plug, or the T1
          interface is bad.

           

          Hope this helps,

          Patrick

            • Re: Netvanta 1224STR w/T1 module to TSU100e/Cisco 2513
              dtdionne New Member

              Hey Patrick, thanks for the quick reply...It's showing LOS now.  Thinking it might have been the cable I made a new one (1<>4, 2<>5, 3<>3, 4<>1, 5<>2, 6<>6, 7<>7, 8<>8) this morning and I might have goofed, I'm gonna head home in at 1130 to swap it out for the one I know works.

               

              Here's the TSU info:

              TSU > Status > Network Errors shows a continuious * above CRC and BPV and an intermitant * above FER ever ~2-5 seconds

               

                    15MIN/ 24HR

              %AS =  56.4/  NA
              %EF =   1.4/  NA
              ES  =   501/  NA
              SES =     0/  NA
              UAS =   392/  NA

                           HISTORY

              15:57 07/02 0.1     CLOCK SLIP    
              15:57 07/02 0.1     PLL ALARM     
              15:59 07/02 NI      YELLOW ALARM   
              16:00 07/02 NI      YEL ALRM CLEAR 
              17:16 07/02 NI      LINE ON (NI)   
              17:18 07/02 NI      PAYLOAD ON (NI)
              17:19 07/02 NI      LOOPBACK OFF   
              17:21 07/02 NI      LOOPBACK OFF   
              17:22 07/02 NI      LOOPBACK OFF   
              17:34 07/02 NI      YELLOW ALARM   
              17:35 07/02 NI      YEL ALRM CLEAR 
              17:46 07/02 1.1     RED ALARM     
              17:46 07/02 1.1     LOSS OF SIGNAL
              17:46 07/02 1.1     FRAME SLIP    
              17:47 07/02 1.1     FRAME SLIP    
              17:47 07/02 1.1     FRAME SLIP    
              17:48 07/02 1.1     FRAME SLIP    
              17:48 07/02 1.1     FRAME SLIP    
              17:48 07/02 1.1     FRAME SLIP    
              17:49 07/02 1.1     FRAME SLIP    


              Network Configuration
              1) Format                        ESF 
              2) Code                          B8ZS
              3) Yellow Alarm                  ENA
              4) Transmit PRMs                 OFF
              5) Timing Mode                   INTERNAL     
              6) Set Line Build Out             0.0
              7) Remote Loopback Det           ACCEPT ALL     
              8) Bit Stuffing                  DISABLE
              9) TR-08 Options                
              10) Exit                         
              Command:

               

              Port 0.1 NX/DBU

              1)DS0 RATE:         64 KBPS
              2)TX CLK CNTRL:     NORMAL
              3)DATA:             NORMAL
              4)CTS:              NORMAL 
              5)DCD:              NORMAL 
              6)DSR:              NORMAL 
              7)"0" INHIB:        OFF     
              8)INBAND MODE:      OFF     
              9)TX CLK SOURCE:    INTERNAL

               

              Here's the 1224 info

              2021_1#show running-config interface t1 1/1 verbose

              Building configuration...

              !

              !

              interface t1 1/1

                description

                framing esf

                clock source line

                coding b8zs

                lbo long 0

                fdl none

                remote-loopback

                remote-alarm rai

                alias

                snmp trap link-status

                no snmp trap threshold-reached

                no snmp trap line-status

                tdm-group 1 timeslots 1 speed 64

                no shutdown

              !

              2021_1#show running-config interface hdlc 1 verbose

              Building configuration...

              !

              !

              interface hdlc 1

                description

                ip address  10.1.1.2  255.255.255.0

                ip proxy-arp

                ip ospf authentication-key

                ip ospf authentication null

                ip ospf message-digest-key 1 md5

                ip ospf message-digest-key 2 md5

                no ip ospf cost

                ip ospf retransmit-interval 5

                ip ospf transmit-delay 1

                ip ospf priority 1

                ip ospf hello-interval 10

                ip ospf dead-interval 40

                no ip ffe

                no ip mcast-stub helper-enable

                ip igmp version 2

                ip igmp last-member-query-interval 1000

                ip igmp query-interval 60

                ip igmp query-max-response-time 10

                ip igmp querier-timeout 120

                no ip igmp immediate-leave

                ip route-cache

                ip split-horizon

                no dynamic-dns

                keepalive 10

                alias

                fair-queue

                no hold-queue out

                no qos-policy out

                max-reserved-bandwidth 75

                bandwidth 0

                mtu 1500

                lldp send-and-receive

                lldp send port-description

                lldp send system-name

                lldp send system-description

                lldp send system-capabilities

                lldp send management-address

                no shutdown

                cross-connect 1 t1 1/1 1 hdlc 1

              !

              end

              2021_1#show interfaces t1 1/1
              t1 1/1 is DOWN
                Transmitter is sending remote alarm
                Receiver has loss of signal, loss of frame
                T1 coding is B8ZS, framing is ESF
                Clock source is line, FDL type is ANSI
                Line build-out is 0dB
                No remote loopbacks, No network loopbacks
                Acceptance of remote loopback requests enabled
                Tx Alarm Enable: rai
                Last clearing of counters 01:25:26
                  loss of frame  : 1, current duration 01:25:26
                  loss of signal : 1, current duration 01:25:26
                  AIS alarm      : 0
                  Remote alarm   : 0

                DS0 Status: 123456789012345678901234
                            N-----------------------
                Status Legend: '-' = DS0 is unallocated
                               'N' = DS0 is dedicated (nailed)

                Line Status: -- LOS -- Red -- Tx Yellow --

                5 minute input rate 0 bits/sec, 0 packets/sec
                5 minute output rate 0 bits/sec, 0 packets/sec
                Current Performance Statistics:
                  0 Errored Seconds, 0 Bursty Errored Seconds
                  0 Severely Errored Seconds, 295 Severely Errored Frame Seconds
                  295 Unavailable Seconds, 0 Path Code Violations
                  0 Line Code Violations, 0 Controlled Slip Seconds
                  0 Line Errored Seconds, 0 Degraded Minutes

                TDM group 1, line protocol is DOWN
                Encapsulation HDLC (hdlc 1)
                  0 packets input, 0 bytes, 0 no buffer
                  0 runts, 0 giants, 0 throttles
                  0 input errors, 0 CRC, 0 frame
                  0 abort, 0 discards, 0 overruns
                  0 packets output, 0 bytes, 0 underruns

                • Re: Netvanta 1224STR w/T1 module to TSU100e/Cisco 2513
                  dtdionne New Member

                  And here's some info on the 2513 connected to the TSU

                   

                  2513#show running-config
                  Building configuration...

                  Current configuration:
                  !
                  version 11.2
                  no service password-encryption
                  no service udp-small-servers
                  no service tcp-small-servers
                  !
                  hostname 2513
                  !
                  aaa new-model
                  enable password
                  !
                  username privilege 15 password 0
                  !
                  interface Ethernet0
                  no ip address
                  shutdown
                  !
                  interface Serial0
                  ip address 10.1.1.1 255.255.255.0
                  !
                  interface Serial1
                  ip address 10.1.2.1 255.255.255.252
                  !
                  interface TokenRing0
                  no ip address
                  shutdown
                  !
                  no ip classless
                  ip route 172.20.1.0 255.255.255.0 10.1.1.2
                  !
                  line con 0
                  line aux 0
                  line vty 0 4
                  !
                  end

                  2513#show interfaces serial 0

                  Serial0 is down, line protocol is down

                    Hardware is HD64570

                    Internet address is 10.1.1.1/24

                    MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

                    Encapsulation HDLC, loopback not set, keepalive set (10 sec)

                    Last input 03:22:33, output 03:23:10, output hang never

                    Last clearing of "show interface" counters 01:32:43

                    Input queue: 0/75/0 (size/max/drops); Total output drops: 0

                    Queueing strategy: weighted fair

                    Output queue: 0/1000/64/0 (size/max total/threshold/drops)

                       Conversations  0/2/256 (active/max active/max total)

                       Reserved Conversations 0/0 (allocated/max allocated)

                    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

                       473 input errors, 157 CRC, 0 frame, 0 overrun, 0 ignored, 26 abort

                       0 packets output, 0 bytes, 0 underruns

                       0 output errors, 0 collisions, 29 interface resets

                       0 output buffer failures, 0 output buffers swapped out

                       8 carrier transitions

                       DCD=down  DSR=down  DTR=up  RTS=up  CTS=down

                  2513#show controllers serial 0

                  HD unit 0, idb = 0xA7990, driver structure at 0xAC718

                  buffer size 1524  HD unit 0, V.35 DTE cable

                  cpb = 0xE4, eda = 0xC140, cda = 0xC000

                  RX ring with 16 entries at 0xE4C000

                  00 bd_ptr=0xC000 pak=0x0AE470 ds=0xE52EA8 status=80 pak_size=0

                  01 bd_ptr=0xC014 pak=0x0ADB60 ds=0xE50D10 status=80 pak_size=0

                  02 bd_ptr=0xC028 pak=0x0AE2A0 ds=0xE527F0 status=80 pak_size=0

                  03 bd_ptr=0xC03C pak=0x0AF860 ds=0xE57890 status=80 pak_size=0

                  04 bd_ptr=0xC050 pak=0x0AF690 ds=0xE571D8 status=80 pak_size=0

                  05 bd_ptr=0xC064 pak=0x0AF120 ds=0xE55DB0 status=80 pak_size=0

                  06 bd_ptr=0xC078 pak=0x0AE0D0 ds=0xE52138 status=80 pak_size=0

                  07 bd_ptr=0xC08C pak=0x0AD5F0 ds=0xE4F8E8 status=80 pak_size=0

                  08 bd_ptr=0xC0A0 pak=0x0AF2F0 ds=0xE56468 status=80 pak_size=0

                  09 bd_ptr=0xC0B4 pak=0x0AEBB0 ds=0xE54988 status=80 pak_size=0

                  10 bd_ptr=0xC0C8 pak=0x0AFDD0 ds=0xE58CB8 status=80 pak_size=0

                  11 bd_ptr=0xC0DC pak=0x0ADD30 ds=0xE513C8 status=80 pak_size=0

                  12 bd_ptr=0xC0F0 pak=0x0AE810 ds=0xE53C18 status=80 pak_size=0

                  13 bd_ptr=0xC104 pak=0x0AFC00 ds=0xE58600 status=80 pak_size=0

                  14 bd_ptr=0xC118 pak=0x0AD7C0 ds=0xE4FFA0 status=80 pak_size=0

                  15 bd_ptr=0xC12C pak=0x0AD990 ds=0xE50658 status=80 pak_size=0

                  16 bd_ptr=0xC140 pak=0x0AE640 ds=0xE53560 status=80 pak_size=0

                  cpb = 0xE4, eda = 0xC800, cda = 0xC800

                  TX ring with 2 entries at 0xE4C800

                  00 bd_ptr=0xC800 pak=0x000000 ds=0x000000 status=80 pak_size=0

                  01 bd_ptr=0xC814 pak=0x000000 ds=0x000000 status=80 pak_size=0

                  02 bd_ptr=0xC828 pak=0x000000 ds=0x000000 status=80 pak_size=0

                  409 missed datagrams, 0 overruns

                  0 bad datagram encapsulations, 0 memory errors

                  0 transmitter underruns

                  21101 residual bit errors

              • Re: Netvanta 1224STR w/T1 module to TSU100e/Cisco 2513
                Employee

                dtdionne,

                 

                I am marking this question as 'Assumed Answered', since there have been no additional follow-up questions.  Please mark any replies that you found to be helpful or correct.  Let us know if you need any further assistance.

                 

                Thank you,

                kalync