How to find the E1 interface in Cisco 3925

I haven't written IT for a long time and have been busy recently. IT migrant workers often encounter some simple problems during project implementation. Today I will share two cases: CISCO3925 and CISCO2901, both devices were powered on after the device arrived the week before, but the problem was solved. Today we briefly describe it.

Recently, two financial institutions have purchased two 3925 routers and two 2901 routers. After the arrival, I went to the site for Equipment Acceptance. After all the preparations are completed, the Quality Control Service is powered on. Take Cisco2901 as an example, two WIC-1 modules are added to the WAN; Information prompt after power-on is completed:

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

2 Gigabit Ethernet interfaces
DRAM configuration is 64 bits wide with parity enabled.
255 K bytes of non-volatile configuration memory.
250880 K bytes of ATA System CompactFlash 0 (Read/Write)
No serial port information is found. Use show inventory:

------------------ Show inventory ------------------

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

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

Show running:

Interface GigabitEthernet0/0
No ip address
Duplex auto
Speed auto

Shutdown
!
Interface GigabitEthernet0/1
No ip address
Shutdown
Duplex auto
Speed auto

Use show diag
 

Slot 0:
C2901 Mother board 2GE, integrated VPN and 4 W Port adapter, 2 ports
Port adapter is analyzed
Port adapter insertion time 06:13:56 ago
EEPROM contents at hardware discovery:
PCB Serial Number: FOC15255T02
Hardware Revision: 1.0
Part Number: 73-11834-06
Top Assy. Part Number: 800-30795-02
Board Revision: E0
Deviation Number: 113332
Fab Version: 03
Product (FRU) Number: CISCO2901/K9
Version Identifier: V02
CLEI Code: cmbn00ara
Processor type: C1
Chassis Serial Number: FGL15292141
Chassis MAC Address: 30e4. db8a. 7b20
MAC Address block size: 72
Manufacturing Test Data: 00 00 00 00 00 00 00
EEPROM format version 4
EEPROM contents (hex ):
WIC Slot 0:
Serial 1 t wan daughter card
WIC module not supported/disabled in this slot
Hardware revision 1.0 Board revision J0
Serial number 35442149 Part number 800-01514-01
FRU Part Number WIC-1T =
Test history 0x0 RMA number 00-00-00
Connector type Wan Module
EEPROM format version 1
EEPROM contents (hex ):
System discovery module, but not supported, because Cisco 2901 wan interface is EHWIC interface, due to delivery error sent two WIC-1T module, the new device can be backward compatible, WIC-1T has been discontinued, cisco does not want to support the product technology and module, so the above problem occurs, inform the Sales issued two HWIC-1T module, device after power-on information is:

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

Jan 2 12:00:03. 019: % IOS_LICENSE_IMAGE_APPLICATION-6-LICENSE_LEVEL: Module name = c2900 Next reboot level = ipbasek9 and License = ipbasek9
Nov 16 01:51:25. 615: % IFMGR-7-NO_IFINDEX_FILE: Unable to open nvram:/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, changed state to down
Nov 16 01:51:40. 387: % LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
Nov 16 01:51:40. 387: % LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down
Nov 16 01:51:40. 387: % LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to down
Nov 16 01:51:41. 371: % SYS-5-CONFIG_ I: Configured from memory by console
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 --

The module detects and recognizes it, and uses 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

Case II: The Cisco3925 wan interface type is EHWIC. The VWIC2 1MFT-G703 board is added to the customer. After the device is powered on, the following information is displayed:

Cisco CISCO3925-CHASSIS (revision 1.0) with C3900-SPE100/K9 with 995328 K/53248 K bytes of memory.
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 parity enabled.
255 K bytes of non-volatile configuration memory.
255744 K bytes of ATA System CompactFlash 0 (Read/Write)

However, when you run the show running command
!
!
Interface Embedded-Service-Engine0/0
No ip address
Shutdown
!
Interface GigabitEthernet0/0
Ip address 10.10.10.1 255.255.255.248
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
!

No commonly seen CONTROLLER E1 information is found. I started to think that it is not supported by IOS, So I upgraded IOS, which is

C3900-universalk9_npe-mz.SPA.150-1.M2.bin

After the c3900-universalk9-mz.SPA.150-1.M5.bin, information is still not found, but through show run to find a valuable information ,!
!
! Card type command needed for slot/vwic-slot 0/0
! Card type command needed for slot/vwic-slot 0/1
Logging buffered 51200 warnings
!

Data shows that this product is activated by a separate command, 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

No ip redirects
No ip proxy-arp
Duplex auto
Speed auto
!
Interface GigabitEthernet0/1
Ip address X. X

Duplex auto
Speed auto
!
Interface GigabitEthernet0/2
No ip address
Shutdown
Duplex auto
Speed auto
!
Interface Serial0/0/0
Description link_DX.SDH.CS_SH
Ip address

Through these two problems, you should go to the Cisco official website to check the product manual and learn about the device performance in advance. This is a very simple problem that interrupts my implementation progress, all preparations are required.

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