Cisco Packet Tracer 6.2 Getintopc

[Donahue Granados]

Wehave three switches at work. Two of them are Cisco ones the third one is a D-Link. My predecessor was managing them, unfortunately, when I inherited them I got zero information about it and the person is no longer in the company to ask (and from what I learned he would be clueless anyway). Tried to ask within the company, but as it was him managing it, no one cared to ask for config. Until now, because we need to split up the network.

Switch no. 1

I connected to the Cisco switch with a console cable and went through Putty. Tried to get an IP address with the following commands in enable mode which I found on the internet:

show config

show running-config

show ip interface

Switch no. 2

I connected to the Cisco switch with a console cable and went through Putty. Tried the same, however, enable mode is password protected. Since I have no clue if there is any configuration on the switch, I kept it as it is (no factory reset).

Switch no.3

I tried to use D-Link smart console on the third switch which gave me an IP address starting with 52. However, no one can ping on it with this IP address. Plan to try with Putty and console cable next week on Monday when I will be in the office.

So probably a dumb question for those of you who know networking well, but I am really clueless. What to do to find out how to get an IP address so we can ping on it / remotely connect?

Just try an ip scanner like angry ip scanner - it will list all active IPs on the network, it should try to determine the device model. you can lookup the mac addresses to determine which are the cisco/netgear.

Are multiple vlans in use? are multiple IP ranges in use? If you have one simple ISP router and is is issuing dhcp addresses to everything then it is very likely these switches are in default configuration anyway - plain simple layer 2 switch.

If you have console access you could read configs written to the flash. Save a log from putty, turn on logging before you connect, then more flash. Save the log and examine it. Should have at least a startup config there. You can then factory reset the device and rewrite a useful config and set up your own login and passwords.

If you feel confident that the network is flat (all on the same subnet), you could run a scan with a network scanner tool as others here have mentioned. You should be able to correlate the MAC addresses in the scan (the scan should show both MAC addresses and IP addresses) with a MAC address of the switch listed on a sticker on it to see which IP address belongs to the switch.

Hi Experts, I have some confusion with holding Mode button with cisco 2960/3560 switchs. I read out many forums and articles but where things are unclear. somewhere given 3 seconds and somewhere it is given 7 or 10 seconds. Qus1) What is...

If I were in your shoes I would first design the network you want, develop an implementation plan, get a significant downtime window, reset the switches to default and start from scratch. Document EVERYTHING along the way.

As for the other two switches (Cisco Catalyst WS C2960 and C2960X) the result with arp -a, and Angry IP Scanner is basically the same. No MAC addresses it showed are matching any of those two switches. It showed an Asus RT-AC87U, which is device sitting on the network before one of the switch (the one with assigned vlan1 below)

I have tried show int ip brief as suggested and one switch showed vlan1 as unassigned, other with IP address starting with 52.183. However when I tried to ping it, all packets lost. When trying to connect to it via web browser Gateway Timeout.

You can try accessing the devices directly by manually configuring a PC with an ip address in the matching range (so if the ip shown is a.b.52.x try using a.b.52.z where z is something different to x) and connect the PC directly to the switch and try to ping the switch IP.

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