Re: Serial interface error.

I will be interseted in knowing if this line evr worked fine .. i mean
does this started all of sudden .
Or Is this a new line from telco ?

Gaurav

2010/5/15 Mahmoud Nossair <mahmoud.nossair_at_gmail.com>:
> So did you mean that the problem may be physically, like an interference or
> something like that? Causing all the errors.
>
>
> Best Regards,
>
> ==============================
> Mahmoud Nossair
>
>
>
> -----Original Message-----
> From: GAURAV MADAN [mailto:gauravmadan1177_at_gmail.com]
> Sent: Saturday, May 15, 2010 9:08 PM
> To: Mahmoud Nossair
> Cc: rdarsey_at_gmail.com; ccielab_at_groupstudy.com
> Subject: Re: Serial interface error.
>
> Guess .. this is not a clock issue .
> This is a V.35 cable .. can go high speeds ( unlike RS232 ) and also
> if there is a clocking problem .. it shd have shown clock not recieved
> ..
>
> DCE is probably configured for 256kbps and DTE is approximately getting that
> .
>
> Thnx
> Gaurav Madan
> CCIE
>
> On Sat, May 15, 2010 at 11:26 PM, Mahmoud Nossair
> <mahmoud.nossair_at_gmail.com> wrote:
>> Please find the "Show controllers serial 1/3"
>>
>> M4T: show controller:
>> PAS unit 3, subunit 3, f/w version 1-45, rev ID 0x2800001, version 3
>> idb = 0x6256E6E4, ds = 0x625704EC, ssb=0x625708A0
>> Clock mux=0x0, ucmd_ctrl=0xC, port_status=0x74
>> Serial config=0x8, line config=0x200
>> maxdgram=1608, bufpool=78Kb, 120 particles
>> DCD=up DSR=up DTR=up RTS=up CTS=up
>> line state: up
>> cable type : V.35 DTE cable, received clockrate 255840
>>
>> base0 registers=0x3D000000, base1 registers=0x3D002000
>> mxt_ds=0x626EF858, rx ring entries=78, tx ring entries=128
>> rxring=0x3B6CE20, rxr shadow=0x62576E94, rx_head=0
>> txring=0x3B6D0C0, txr shadow=0x62577268, tx_head=34, tx_tail=34,
> tx_count=0
>> throttled=0, enabled=0
>> halted=0, last halt reason=0
>> Microcode fatal errors=0
>> rx_no_eop_err=0, rx_no_stp_err=0, rx_no_eop_stp_err=0
>> rx_no_buf=0, rx_soft_overrun_err=0, dump_err= 0, bogus=0, mxt_flags=0x0
>> tx_underrun_err=1, tx_soft_underrun_err=1, tx_limited=1(2)
>> tx_fullring=13147591, tx_started=17925099 mxt_flush_count=0
>> rx_int_count=34348762, tx_int_count=31081383
>>
>> Best Regards,
>>
>> ==============================
>> Mahmoud Nossair
>>
>>
>>
>> -----Original Message-----
>> From: rdarsey_at_gmail.com [mailto:rdarsey_at_gmail.com]
>> Sent: Saturday, May 15, 2010 8:49 PM
>> To: Mahmoud Nossair; ccielab_at_groupstudy.com
>> Subject: Re: Serial interface error.
>>
>> What does a "show controllers" show? Any slips? If so clocking may be an
>> issue. Verify that clock is either provided by the ISP or in the case of
> a
>> point to point circuit that one side is set to clock source internal and
> one
>> is set to clock source line.
>>
>> Rick
>> -----Original Message-----
>> From: "Mahmoud Nossair" <mahmoud.nossair_at_gmail.com>
>> Date: Sat, 15 May 2010 19:24:31
>> To: <ccielab_at_groupstudy.com>
>> Subject: Serial interface error.
>>
>> Dear Experts
>>
>> We have some branches connecting to the Head Quarter through a telecom
>> company, when I running "show interface serial 1/3" I found there are many
>> errors,
>>
>> I know that there is an errors on the fastethetnet interfaces happens from
>> collisions duplex mismatch, but I am wondering what is the kind of the
>> errors will be occurred on the serial interfaces .
>>
>> There is one thing also , we never reach the maximum bandwidth, although
> we
>> are suffering from a congestion.
>>
>>
>>
>> Here is show interface output:
>>
>>
>>
>> ======================================
>>
>> Serial1/3 is up, line protocol is up
>>
>> Hardware is M4T
>>
>> Internet address is x.x.x.x/30
>>
>> MTU 1500 bytes, BW 2000 Kbit, DLY 20000 usec,
>>
>> reliability 255/255, txload 21/255, rxload 16/255
>>
>> Encapsulation HDLC, crc 16, loopback not set
>>
>> Keepalive set (10 sec)
>>
>> Restart-Delay is 0 secs
>>
>> Last input 00:00:00, output 00:00:00, output hang never
>>
>> Last clearing of "show interface" counters never
>>
>> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops:
>> 1154031
>>
>> Queueing strategy: weighted fair
>>
>> Output queue: 0/1000/64/1154031 (size/max total/threshold/drops)
>>
>> Conversations 0/36/256 (active/max active/max total)
>>
>> Reserved Conversations 0/0 (allocated/max allocated)
>>
>> Available Bandwidth 1900 kilobits/sec
>>
>> 30 second input rate 133000 bits/sec, 245 packets/sec
>>
>> 30 second output rate 165000 bits/sec, 134 packets/sec
>>
>> 31407760 packets input, 2687152838 bytes, 0 no buffer
>>
>> Received 41308 broadcasts, 0 runts, 0 giants, 0 throttles
>>
>> 27636 input errors, 27635 CRC, 0 frame, 1 overrun, 0 ignored, 0 abort
>>
>> 16397297 packets output, 3885690293 bytes, 1 underruns
>>
>> 1 output errors, 0 collisions, 3 interface resets
>>
>> 0 output buffer failures, 0 output buffers swapped out
>>
>> 4 carrier transitions DCD=up DSR=up DTR=up RTS=up CTS=up
>>
>> ==============================================================
>>
>>
>>
>> Please any help regarding this issue.
>>
>> Thanks in advance.
>>
>>
>>
>> Best Regards,
>>
>> Mahmoud Nossair
>>
>>
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Received on Sat May 15 2010 - 23:54:56 ART