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Input Errors Cisco 3845

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  • Input Errors Cisco 3845

    I am having troubles on a Cisco Voice Gateway (3845) with the multilink 1 interface. This interface is connected via Cisco Unified Border Element (CUBE) for voice. At random times there is dead air when calling to the CUBE sites. I've ran some debugs and nothing is really coming up, not all calls experience this. Anyone ever run into this? Here is the sh version and sh int multilink 1 outputs.

    Multilink1 is up, line protocol is up
    Hardware is multilink group interface
    Description: 4 T1 MLPPP bundle to MCI
    Internet address is
    MTU 1500 bytes, BW 6144 Kbit, DLY 100000 usec,
    reliability 255/255, txload 15/255, rxload 4/255
    Encapsulation PPP, LCP Open, multilink Open
    Open: IPCP, loopback not set
    Keepalive set (10 sec)
    DTR is pulsed for 2 seconds on reset
    Last input 00:00:00, output never, output hang never
    Last clearing of "show interface" counters 1w1d
    Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 117
    Queueing strategy: Class-based queueing
    Output queue: 0/1000/64/117 (size/max total/threshold/drops)
    Conversations 0/4/256 (active/max active/max total)
    Reserved Conversations 2/2 (allocated/max allocated)
    Available Bandwidth 3968 kilobits/sec
    5 minute input rate 120000 bits/sec, 187 packets/sec
    5 minute output rate 375000 bits/sec, 159 packets/sec
    153788080 packets input, 3143856257 bytes, 0 no buffer
    Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
    198 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
    140087029 packets output, 2432655855 bytes, 0 underruns
    0 output errors, 0 collisions, 0 interface resets
    0 output buffer failures, 0 output buffers swapped out
    0 carrier transitions
    ORLmciRTR01#sh ver
    Cisco IOS Software, 3800 Software (C3845-ENTSERVICESK9-M), Version 12.4(15)T3, RELEASE SOFTWARE (fc1)
    Technical Support:
    Copyright (c) 1986-2008 by Cisco Systems, Inc.
    Compiled Fri 25-Jan-08 00:11 by prod_rel_team
    ROM: System Bootstrap, Version 12.3(11r)T2, RELEASE SOFTWARE (fc1)
    ORLmciRTR01 uptime is 22 weeks, 3 days, 14 hours, 27 minutes
    System returned to ROM by reload at 18:44:52 EDT Sat Apr 19 2008
    System restarted at 18:46:22 EDT Sat Apr 19 2008
    System image file is "flash:c3845-entservicesk9-mz.124-15.T3.bin"

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    Cisco 3845 (revision 1.0) with 225280K/36864K bytes of memory.
    Processor board ID FTX0936A3QS
    2 Gigabit Ethernet interfaces
    8 Serial interfaces
    6 Channelized T1/PRI ports
    DRAM configuration is 64 bits wide with parity enabled.
    479K bytes of NVRAM.
    62720K bytes of ATA System CompactFlash (Read/Write)
    Configuration register is 0x2102