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New Member

1721 and more memory

Hi,

This is my cisco 1721 show ver output

Cisco 1721 (MPC860P) processor (revision 0x300) with 61987K/3549K bytes of memory.

Processor board ID FOC07470APD (213828379), with hardware revision 0000

MPC860P processor: part number 5, mask 2

1 FastEthernet interface

1 ATM interface

32K bytes of NVRAM.

32768K bytes of processor board System flash (Read/Write)

Is possible tu purchase more memory to install? or is it at the top?

Which will be the reference to purchase the memory module?

Best regards

4 ACCEPTED SOLUTIONS

Accepted Solutions
Bronze

Re: 1721 and more memory

Hi,

Here is what you need:

Max mem:128 MB

Flash memory not upgradable

BR,

Bjornarsb

Re: 1721 and more memory

Hi,

The Cisco 1721 router supports a maximum 128MB DRAM, so yes you can upgrade your memory.

For upgrading please check:

http://www.memoryx.net

HTH, please do rate all helpful replies,

Mohammed Mahmoud.

Cisco Employee

Re: 1721 and more memory

Edgar,

You have to open the router and then put the memory in a spare DIMM module. You have an onboard 64MB Dram and you have use the part number MEM1700-64D= to get an additional 64MB memory. Put the meory in spare DIMM mdoule. Please use the link below for the same:

http://www.cisco.com/en/US/products/hw/routers/ps221/prod_configuration_guide09186a0080099429.html

HTH,

-amit singh

Cisco Employee

Re: 1721 and more memory

9 REPLIES
Bronze

Re: 1721 and more memory

Hi,

Here is what you need:

Max mem:128 MB

Flash memory not upgradable

BR,

Bjornarsb

Re: 1721 and more memory

Hi,

The Cisco 1721 router supports a maximum 128MB DRAM, so yes you can upgrade your memory.

For upgrading please check:

http://www.memoryx.net

HTH, please do rate all helpful replies,

Mohammed Mahmoud.

New Member

Re: 1721 and more memory

Which is the best way to do this?

I need to open the router and then, change the memory module and insert the 64 or 128MB module?

Best regards

Re: 1721 and more memory

Hi,

Check this out:

http://www.memoryx.net/1721.html

And use this link for doing the upgrade:

http://www.cisco.com/en/US/docs/routers/access/1700/1721/hardware/installation/guide/1721upg.html

HTH, please do rate all helpful replies,

Mohammed Mahmoud.

Cisco Employee

Re: 1721 and more memory

Edgar,

The MAX memory size supported on 1721 router is upto 128MB. This product has already reached EOl/EOS. It will be very hard to get the parts for it now. Check with a local reseller if you can get an addtional 64MB memory and upgarde it to 96 MB. You are already running 64MB DRAM on this.

http://www.cisco.com/en/US/products/hw/routers/ps221/prod_eol_notice0900aecd8044473f.html

Here is the part number for this memory:

MEM1700-64D=

Please see the documentation for upgrading the memory on the router:

http://www.cisco.com/en/US/products/hw/routers/ps221/prod_configuration_guide09186a0080099429.html

HTH,Please rate if it does.

-amit singh

New Member

Re: 1721 and more memory

Hi,

Thks for fast responding...

I know that this router is old, but for me and our work, works really fine.

Now, I've added a 2nd wic (1-enet) for a lmds connection, is there any guide to configure the 1-enet wic??

Best regards

Cisco Employee

Re: 1721 and more memory

New Member

Re: 1721 and more memory

My ISP gives me 5 public address.

Is enougth this wic or would i need the WIC-4ESW Interface Card ?

best regards

Cisco Employee

Re: 1721 and more memory

Edgar,

You have to open the router and then put the memory in a spare DIMM module. You have an onboard 64MB Dram and you have use the part number MEM1700-64D= to get an additional 64MB memory. Put the meory in spare DIMM mdoule. Please use the link below for the same:

http://www.cisco.com/en/US/products/hw/routers/ps221/prod_configuration_guide09186a0080099429.html

HTH,

-amit singh

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