Cisco3900;2900如何找到E1接口

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这是我从网上找的一篇文章，今天我也遇到了同样的问题，请教了好友解决的。完成后我去网上找了找相关资料，这篇文章写的很好，解决的路由器找E1接口的问题。

好久没有写，最近比较忙，在项目实施中IT老民工也经常碰到一些简单问题，今天分享两个案例，一个是CISCO3925,一个是CISCO2901，两台设备都是前周设备到货后做加电验收发现，不过问题解决了，今天简单描述了。

最近两家金融机构采购了两台3925，两台2901路由器，到货后我去现场做设备验收，所有准备工作完成后，加电质检，先拿Cisco2901来说，广域网增加两块WIC-1模块；加电完成后信息提示：

Cisco CISCO2901/K9 (revision 1.0) with 483328K/40960K bytes ofmemory.
Processor board ID FGL1529214L1

2 Gigabit Ethernet interfaces
DRAM configuration is 64 bits wide with parity enabled.
255K bytes of non-volatile configuration memory.
250880K bytes of ATA System CompactFlash 0 (Read/Write)
没有发现串口信息，通过show inventory:

------------------ show inventory ------------------

NAME: "CISCO2901/K9 chassis", DESCR: "CISCO2901/K9chassis"
PID:CISCO2901/K9 , VID: V02 , SN: FGL1529214l

NAME: "C1941/C2901 AC Power Supply", DESCR: "C1941/C2901 AC PowerSupply"
PID: PWR-1941-2901-AC ,VID: ,SN:

show running查看配置信息，没有也串口信息：

interface GigabitEthernet0/0
no ip address
duplex auto
speed auto

shutdown
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto

通过show diag

Slot 0:
       C2901 Mother board 2GE, integrated VPN and 4W Port adapter, 2ports
       Port adapter is analyzed
       Port adapter insertion time 06:13:56 ago
       EEPROM contents at hardware discovery:
       PCB SerialNumber       : FOC15255T02
       HardwareRevision       : 1.0
       PartNumber             : 73-11834-06
       Top Assy. PartNumber    :800-30795-02
       BoardRevision          : E0
       DeviationNumber        : 113332
       FabVersion             : 03
       Product (FRU)Number    : CISCO2901/K9
       VersionIdentifier      : V02
       CLEICode               : CMMBN00ARA
       Processortype          : C1
       Chassis SerialNumber    :FGL15292141
       Chassis MACAddress     : 30e4.db8a.7b20
       MAC Address block size   :72
       Manufacturing Test Data : 00 00 00 00 00 00 0000
       EEPROM format version 4
       EEPROM contents (hex):
        WICSlot 0:
        Serial1T WAN daughter card
        WICmodule not supported/disabled in this slot
       Hardware revision1.0          Board revision J0
       Serialnumber    35442149     Part number   800-01514-01
       FRU PartNumber    WIC-1T=
       Testhistory     0x0          RMAnumber    00-00-00
       Connectortype    WanModule
       EEPROM format version 1
       EEPROM contents (hex):
         系统发现模块，但不支持，原因是Cisco 2901广域网接口是EHWIC接口，因发货错误发了两块WIC-1T模块，新设备向下可以兼容，WIC-1T已经停产了，思科不想对产品技术和模块支持，故导致上述问题，通知销售发了两块HWIC-1T模块，设备加电后信息是：

Cisco CISCO2901/K9 (revision 1.0) with 483328K/40960K bytes ofmemory.
Processor board ID FGL15292141
2 Gigabit Ethernet interfaces
1 Serial(sync/async) interface
DRAM configuration is 64 bits wide with parityenabled.
255K bytes of non-volatile configuration memory.
250880K bytes of ATA System CompactFlash 0 (Read/Write)

Jan 2 12:00:03.019:%IOS_LICENSE_IMAGE_APPLICATION-6-LICENSE_LEVEL: Module name = c2900Next reboot level = ipbasek9 and License = ipbasek9
Nov 16 01:51:25.615: %IFMGR-7-NO_IFINDEX_FILE: Unable to opennvram:/ifIndex-table No such file or directory
Nov 16 01:51:39.159: %LINK-3-UPDOWN: Interface GigabitEthernet0/0,changed state to up
Nov 16 01:51:39.159: %LINK-3-UPDOWN: Interface GigabitEthernet0/1,changed state to down
Nov 16 01:51:39.159: %LINK-3-UPDOWN: Interface Serial0/0/0, changedstate to down
Nov 16 01:51:40.387: %LINEPROTO-5-UPDOWN: Line protocol onInterface GigabitEthernet0/0, changed state to up
Nov 16 01:51:40.387: %LINEPROTO-5-UPDOWN: Line protocol onInterface GigabitEthernet0/1, changed state to down
Nov 16 01:51:40.387: %LINEPROTO-5-UPDOWN: Line protocol onInterface Serial0/0/0, changed state to down
Nov 16 01:51:41.371: %SYS-5-CONFIG_I: Configured from memory byconsole
Nov 16 01:51:43.403: %LINK-5-CHANGED: Interface GigabitEthernet0/1,changed state to administratively down
Nov 16 01:51:43.403: %LINK-5-CHANGED: Interface Serial0/0/0,changed state to administratively down
Nov 16 01:51:44.079: %SYS-5-RESTART: System restarted --

模块通过检测并认到，通过show run

interface GigabitEthernet0/0
no shutdown

no ip address
duplex auto
speed auto
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0/0
no ip address
shutdown
clock rate 2000000

案例II：Cisco3925广域网接口类型是EHWIC，客户增加VWIC21MFT-G703板卡，设备加电后信息显示：

Cisco CISCO3925-CHASSIS (revision1.0) with C3900-SPE100/K9 with 995328K/53248K bytes ofmemory.
Processor board ID FGL15321131
3 Gigabit Ethernet interfaces
1 terminal line
2 Channelized (E1 or T1)/PRI ports
DRAM configuration is 72 bits wide with parityenabled.
255K bytes of non-volatile configuration memory.
255744K bytes of ATA System CompactFlash 0(Read/Write)

但通过showrunning命令查看时
!
!
interface Embedded-Service-Engine0/0
no ip address
shutdown
!
interface GigabitEthernet0/0
ip address 10.10.10.1255.255.255.248
duplex auto
speed auto
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface GigabitEthernet0/2
no ip address
shutdown
duplex auto
speed auto
!
ip forward-protocol nd
!

没有发现通常看到的CONTROLLER E1信息，开始认为是IOS不支持，我就升级了IOS，分别是

c3900-universalk9_npe-mz.SPA.150-1.M2.bin

c3900-universalk9-mz.SPA.150-1.M5.bin后，信息依然是没有发现，但通过showrun发现一条有价值信息，!
!
! cardtype command needed for slot/vwic-slot 0/0
! card type command needed for slot/vwic-slot 0/1
logging buffered 51200 warnings
!

通过资料发现，本产品是单独通过一条命令来激活，card type e1 0 0

controller E1 0/0/0
framing NO-CRC4
channel-group 0 timeslots 1-31
!
!
track 1 interface Serial0/0/0:0 line-protocol
!
!
!
!
interface Embedded-Service-Engine0/0
no ip address
!
interface GigabitEthernet0/0
ip address X.X.X.X

no ipredirects
no ip proxy-arp
duplex auto
speed auto
!
interface GigabitEthernet0/1
ipaddress X.X.X.X

duplexauto
speed auto
!
interface GigabitEthernet0/2
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0/0:0
description link_DX.SDH.CS_SH
ip address

通过这两次碰到的问题，大家在实施过程中应该提前去思科官网去查看产品手册资料，了解设备性能等，非常简单问题打断我的实施进度，所以各位要所有准备。

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