The most common types of interfaces are Ethernet and serial.
Similar to the driver software on a computer with parallel ports and USB ports, IOS has device drivers to support these various interface types.
All Cisco routers have a console port that provides an EIA/TIA-232 asynchronous serial connection.
Processor board ID 17746964 R4700 CPU at 100Mhz, Implementation 33, Rev 1.0 Bridging software. Super LAT software (copyright 1990 by Meridian Technology Corp).
5 Ethernet/IEEE 802.3 interface(s) 1 Serial network interface(s) DRAM configuration is 64 bits wide with parity disabled. 8192K bytes of processor board System flash (Read/Write) 16384K bytes of processor board PCMCIA Slot0 flash (Read/Write) --- System Configuration Dialog --- Would you like to enter the initial configuration dialog?
The Catalyst 3750 switch stack has two switches and the IOS image is located at the TFTP server 172.22.1.165.
This output shows the stack member and the master in this stack: Switch#show switch Step-by-Step Instructions Step 1 - Download the Image Refer to Software Download - Cisco Catalyst 3750 Software (registered end-users only) and find the image that user wants to download.
From the website, Catalyst 3750 Software Upgrade in a Stack Configuration with Use of the Command-Line Interface document: 3750 Series Switch Stack IOS Upgrade - Manual (Image) A 3750 switch stack can be managed either with the web device manager or with the CLI.