2500 acting as DHCP server

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Jun 12th, 2008
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Hi all. Im running a 2500 with 11.1 firmware. It doesnt seem to support acting as a dhcp server. I see on a pdf on cisco's site that it will do it, so Im thinking this is supported only at a certain version of code and higher. Would anyone know what that firmware version would be by chance? On 1700s, I read its 12.0 something or higher. I cant seem to find what it is on the 2500 series. Anyone know?

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sirdudesly Thu, 06/12/2008 - 21:47
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There are a couple of feature sets that don't include the dhcp server (mostly due to their age and limitations of flash etc)


However, your 2500 should be able to run a 12.x series image


http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp


The IOS feature locator should help you find the correct image for your router with the required features (in this case DHCP)


It tells me that it should be in the 12.3 release (it doesn't go back to 11)


Pravin Phadte Fri, 06/13/2008 - 05:24
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Hi,


12.0 Will support it. I dont feel you will able to find this ios in cisco unless you request them for or open a case.


In search you will find 12.1 as below.

Feature Set Image Name DRAM Flash

ENTERPRISE PLUS c2600-js-mz.121-3.T.bin 48 16

ENTERPRISE PLUS IPSEC 3DES c2600-jk2s-mz.121-3.T.bin 48 16

ENTERPRISE PLUS IPSEC 56 c2600-js56i-mz.121-3.T.bin 48 16

ENTERPRISE/FW/IDS PLUS IPSEC 3DES c2600-jk2o3s-mz.121-3.T.bin 48 16

ENTERPRISE/FW/IDS PLUS IPSEC 56 c2600-jo3s56i-mz.121-3.T.bin 48 16

ENTERPRISE/SNASW PLUS c2600-a3js-mz.121-3.T.bin 48 16

ENTERPRISE/SNASW PLUS IPSEC 3DES c2600-a3jk2s-mz.121-3.T.bin 48 16

ENTERPRISE/SNASW PLUS IPSEC 56 c2600-a3js56i-mz.121-3.T.bin 48 16

IP c2600-i-mz.121-3.T.bin 24 8

IP PLUS c2600-is-mz.121-3.T.bin 40 16

IP PLUS IPSEC 3DES c2600-ik2s-mz.121-3.T.bin 40 16

IP PLUS IPSEC 56 c2600-is56i-mz.121-3.T.bin 40 16

IP/FW/IDS c2600-io3-mz.121-3.T.bin 32 8

IP/FW/IDS PLUS IPSEC 3DES c2600-ik2o3s-mz.121-3.T.bin 48 16

IP/FW/IDS PLUS IPSEC 56 c2600-io3s56i-mz.121-3.T.bin 48 16

IP/H323 c2600-ix-mz.121-3.T.bin 32 8

IP/IPX/AT/DEC c2600-d-mz.121-3.T.bin 32 8

IP/IPX/AT/DEC PLUS c2600-ds-mz.121-3.T.bin 40 16

IP/IPX/AT/DEC/FW/IDS PLUS c2600-do3s-mz.121-3.T.bin 48 16

REMOTE ACCESS SERVER c2600-c-mz.121-3.T.bin 24 8


You will not able to download it from cisco again. I have pasted the output for you to compare the min dram and flash.


Hope this helps!!



regards,


pravin

Richard Burts Fri, 06/13/2008 - 07:36
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pravin


The original post asked about a 2500 router. The information that you posted is about 2600. So its information about dram and flash is not helpful.


John


I have found release notes for the 2500 which seem to indicate that there is support for DHCP server in release 12.0T (the T train of code not mainline) which suggests that DHCP server would be available in 12.1 mainline code.


HTH


Rick

Pravin Phadte Fri, 06/13/2008 - 08:48
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I am soory about that. I guess i missed the 2500 with 2600.



jjoseph01 Fri, 06/13/2008 - 11:30
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Thanks for the guidance. Here is the show ver for now. Ill see what I can put on there.


Cisco Internetwork Operating System Software

IOS (tm) 2500 Software (C2500-J-L), Version 11.2(18)P, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-1999 by cisco Systems, Inc.

Compiled Mon 12-Apr-99 14:06 by ashah

Image text-base: 0x03040320, data-base: 0x00001000


ROM: System Bootstrap, Version 11.0(10c), SOFTWARE

BOOTFLASH: 3000 Bootstrap Software (IGS-BOOT-R), Version 11.0(10c), RELEASE SOFTWARE (fc1)


Collections uptime is 23 weeks, 2 days, 7 hours, 1 minute

System restarted by power-on at 06:27:00 CST Wed Jan 2 2008

System image file is "flash:c2500-j-l.112-18.P", booted via flash


cisco 2500 (68030) processor (revision N) with 6144K/2048K bytes of memory.

Processor board ID 13541893, with hardware revision 00000000

Bridging software.

SuperLAT software copyright 1990 by Meridian Technology Corp).

X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.

TN3270 Emulation software.

1 Ethernet/IEEE 802.3 interface(s)

2 Serial network interface(s)

32K bytes of non-volatile configuration memory.

8192K bytes of processor board System flash (Read ONLY)

jjoseph01 Fri, 06/13/2008 - 11:47
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I went to download software and found it pretty easily. I did get the 12.1 code. Ill put that on and give it a try. Thanks.

Richard Burts Fri, 06/13/2008 - 19:02
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John


From the documentation that I found I would think that 12.1 should provide support for DHCP server. Please let us know the outcome when you have the new code loaded.


HTH


Rick

jjoseph01 Sat, 06/14/2008 - 07:55
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I will. I plan on doing this Monday sometime. Ill keep you guys in the loop. Thanks.

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