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Community Member

IOS upgrade for 2500

when I upgrade IOS on the 2500 to the ( c2500-g-l.122-29b ) image I lose my serial interfaces.

what am I doing wrong?


Re: IOS upgrade for 2500

You may need a different feature set. What IOS were you running before?

Community Member

Re: IOS upgrade for 2500

I have multiple 2500 IOS and models, here is a list of some

c2500-i-l.112-18          cisco 2514

c2500-d-l.120-10          cisco 2514

igs-inr-l.111-6               cisco 2501

Community Member

Re: IOS upgrade for 2500

I tried diferent ios images and still the same issue, I went back to the old ios

and it works fine.

not sure what image I need to use. my routers are mostly 8MB size flash


Re: IOS upgrade for 2500

Post a show version with the old image (one that works)

Community Member

Re: IOS upgrade for 2500

sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3000 Software (IGS-INR-L), Version 11.1(6), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1996 by cisco Systems, Inc.
Compiled Mon 09-Sep-96 14:25 by tej
Image text-base: 0x0302AF78, data-base: 0x00001000

ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
ROM: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE SOFTWARE (fc1)

P1R1 uptime is 2 minutes
System restarted by power-on
System image file is "flash:igs-inr-l.111-6.bin", booted via flash

cisco 2500 (68030) processor (revision F) with 16384K/2048K bytes of memory.
Processor board ID 05206154, with hardware revision 00000000
Bridging software.
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
1 Ethernet/IEEE 802.3 interface.
2 Serial network interfaces.
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY)

Configuration register is 0x2102

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