configuring multiple cisco 2960 switches

Inisai
Inisai used Ask the Experts™
on
Dear All,
                  Recently we replaced 25 Dlink 24 port switches with Cisco 2960 switches , with a combination of 48 & 24 port across all floors.

My management wants all the switches to be manageable . Is there any software ,so that i can apply the config ( acl, hard coding, ios upgrading ) across all switches at a single time.

Currenly i have logged thru console to all switches and have configured loopback IP and the same is reachable  via network, thru ssh

I require this since , there are plans to replicate across our zonal offices too, and configuring and managing might be painful, by logging individually.
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Commented:
I require this since , there are plans to replicate across our zonal offices too, and configuring and managing might be painful, by logging individually.
Don JohnstonInstructor
Top Expert 2015

Commented:
Is there any software ,so that i can apply the config ( acl, hard coding, ios upgrading ) across all switches at a single time.

No. Since each switch will have some parameters that are unique (switch name, IP address, etc.).

I require this since , there are plans to replicate across our zonal offices too, and configuring and managing might be painful, by logging individually.

Telnet (or SSH) is the most common method of managing these switches. There are graphical tools that can reduce the burden somewhat (Ciscoworks, Solarwinds, Cattools, etc.).

Author

Commented:
Hi donjohnston
Is there any software ,so that i can apply the config ( acl, hard coding, ios upgrading ) across all switches at a single time.


No. Since each switch will have some parameters that are unique (switch name, IP address, etc.).

acl's are common in all switches, and most of the time , we will altering as per requirement. Atleast any software to apply the acl which is common to all the switches
Don JohnstonInstructor
Top Expert 2015
Commented:
Kiwi CatTools.
Network Architect
Commented:
A new Catalyst 2960 will attempt to acquire an IP address via BOOTP/DHCP on VLAN 1 when it first powers on.  If your DHCP server has records for each switch MAC address, you can have each switch pull its configuration via a central TFTP server.

If you're using a Cisco IOS-based DHCP server, it looks something like this:

ip dhcp pool 2960
 host 192.168.0.240 255.255.255.0
 bootfile 192.168.0.240.txt
 next-server 192.168.0.254
 client-identifier 0063.6973.636f.2d30.3030.622e.3436.3533.2e61.3238.302d.566c.31

Each switch will need its own reservation.  The host portion represents the address/mask that the host will acquire from the server for its use.  The bootfile is the configuration file that will be downloaded via TFTP.  The next-server entry is the IP address of the TFTP server that the switch will attempt to retrieve the configuration from.

The tricky part is in working out the client identifier for each switch and configuring the DHCP reservation. The client-id is a hex-encoded string that begins with 00, is followed by "cisco-", then the base MAC of the switch in 16-bit sections separated by periods "000b.4653.a280" and then "-Vl1" to finish it off.

I've had one or two customers wanting this sort of setup and it actually works quite well.

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