Question

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Switch ip address

By ajoy_dhar ·
Hi ,

I know my switch name (sd-sw-fd01) but I want to find out switch IP address from network. Is it possible ?

Please answer it.

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Wow

by scott_heath In reply to Switch ip address

Please answer it? i think the implication of posting here is that you want your question answered.

If the hostname is registed in DNS you could do a reverse lookup using nslookup or ping -a.

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Now I know what is meant by job requires excellent verbal and written

by ManiacMan In reply to Wow

communication skills, and the arrogant way he worded his question is anything but good communication skills. It's one thing to ask politely, but to phrase a question in such a way as if we are "obligated" in answering will result in some serious flaming of the original poster, regardless of cultural and language differences.

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He said "please"

by Roger99a In reply to Now I know what is meant ...

If you can telnet to a connected switch and they are running Cisco Discovery protocol you can use "show cdp neighbor detail"

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ummmmm........

by ThumbsUp2 In reply to Wow

I hate to show where my weak spots are at, but since when do switches have IP addresses? I thought they were dumb. Is this a Cisco thing? If it is, I guess you can see that I know nothin' about 'em! ? :8}

Care to enlighten me?

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Managed Switches

by Roger99a In reply to ummmmm........

Managed switches have IP addresses.. so you can manage them. Some have routing capabilities, too.

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re Managed Switches

by ThumbsUp2 In reply to Managed Switches

I guess I've never had the opportunity to see a managed switch. Heard of them, just never knew what the difference was. I thought they were all dumb, being switches. And, if some of them have router capabilities, doesn't that make them a router? Or are the capabilities limited so they don't actually "call" them a router because they're still dumb? So, what makes a router a router and not a managed switch with router capabilites?

LOL..... I feel like I'm twisting in circles!

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layer 3 and layer 2

by CG IT In reply to re Managed Switches

Cisco has designations like layer 3 and layer 2 which has become the defacto standard.

Layer 3 equipment is typically a router which can route traffic out of an interface. It inspects packets, determines it's destination and if it's not destined for the local LAN, repackage the packet and "route" it out the default gateway. A layer 2 switch inspects packets and route those packets to it's destination much like a router does, only uses MAC addresses, not IP addresses and it does not route the packets out a default gateway nor does it repackage the packet.

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See? I knew it was Cisco.......

by ThumbsUp2 In reply to layer 3 and layer 2

I knew it must be a Cisco thing! I haven't gotten into that stuff yet. One of these days, I'll have to sit down and study. At work, of course, and make them pay for my time to do it too!

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Cisco

by CG IT In reply to See? I knew it was Cisco ...

suggestion:

go buy a 2950 catalyst switch with 2 uplink ports from these guys. Might check Ebay for a 2600 router with 2 ethernet ports or get it from the guys below you get the 2950 from. make sure it's got 2 ethernet ports.

http://www.ccbootcamp.com/cciesecurity.html

go buy Todd Lammle's CCNA study guide from Amazon.com.

read and do his practice stuff. then you'll get the beginnings of Cisco stuff including IOS.

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Not just Cisco

by Roger99a In reply to See? I knew it was Cisco ...

I found the instructions for the HP Procurve equipment to be a bit easier to understand, both for VLAN and access lists.

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