packet_tracer
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packet_tracer [2021/07/06 12:42] richard [Updating 2811 router] |
packet_tracer [2023/03/10 00:34] (current) richard [Updating 2960 switch] |
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| * ''show version'' | * ''show version'' | ||
| + | \\ | ||
| + | Bundle and install mode: | ||
| + | https://www.lookingpoint.com/blog/ios-xe-catalyst-switches\\ | ||
| + | https://content.cisco.com/chapter.sjs?uri=/searchable/chapter/c/en/us/td/docs/switches/lan/Denali_16-1/ConfigExamples_Technotes/Config_Examples/Misc/qos/m_install_vs_bundle.html.xml | ||
| ==== Updating 2811 router ==== | ==== Updating 2811 router ==== | ||
| Line 88: | Line 91: | ||
| ===== Basic Routing ===== | ===== Basic Routing ===== | ||
| + | ==== Basic Routing with Layer 3 switches ==== | ||
| + | |||
| + | Simple labs to demonstrate use of Layer 3 switches. These can be more efficient than Layer 2 switches as some ethernet frames broadcasts flooding a broadcast domain are prevented. I used RIP and EIGRP in these labs so the devices will share routes between the subnets with each other. It was much easier than having to declare static routes. \\ | ||
| + | \\ | ||
| + | Linking subnets together\\ | ||
| + | {{:packet_tracer:pt_layer_3_linking_subnets.png?400|}}\\ | ||
| + | \\ | ||
| + | Adding more devices\\ | ||
| + | {{:packet_tracer:pt_layer_3_linking_subnets_more_devices.png?400|}}\\ | ||
| + | \\ | ||
| + | Using Layer 3 switch's Switch Virtual Interfaces (SVI) to act as a gateway\\ | ||
| + | {{:undefined:pt_layer_3_linking_subnets_svi_gateway.png?400|}}\\ | ||
| + | \\ | ||
| + | {{ :packet_tracer:layer_3_switching_basic.zip |}} | ||
| ===== Loopback Interfaces ===== | ===== Loopback Interfaces ===== | ||
| Line 206: | Line 223: | ||
| ===== Cisco IOS Device Security ===== | ===== Cisco IOS Device Security ===== | ||
| + | ==== Console security ==== | ||
| + | To set up a new router or switch you will need to console into the device with a rollover cable a computer. \\ | ||
| + | A new router or switch will not have any security to protect its configuration.\\ | ||
| + | They'll be no password required to access the device.\\ | ||
| + | In most environments you will probably want to set a password to stop the casual user from going into the router and viewing or changing config. | ||
| + | ==== Telnet and SSH access ==== | ||
| + | When you get a brand new router or switch, you will need to console into the device with your laptop and a rollover cable to set it up. However long term you probably don't want to use the rollover cable all the time. You will want to set up remote access via Telnet and/or SSH. This means as long as you have IP access to the device, you can check and update configurations from a remote telnet/SSH terminal rather than having to be next to the device with your rollover cable. | ||
| ===== AAA ===== | ===== AAA ===== | ||
packet_tracer.1625575342.txt.gz · Last modified: 2021/07/06 12:42 by richard
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