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New Member

Problem accessing a cisco 3550 vlan via telnet or ping

I have set up a vlan and given it an IP address and subnet mask, plus the unit has a default gateway. All the appropriate ports are in the vlan , and the vlan is functioning fine at that level.

I can telnet onto the switch from a laptop directly connected to the switch, and from a router connected into the vlan. However, everything the other side of the router can't ping or telnet the switch.

I have check the routers routes, and all is well, I can ping and telnet onto the pc directly connected to the switch, just not the switch itself.

I have checked the settings several times, and I can see no errors, has anyone seen this problem before?

Tx in advance

Nick

3 REPLIES
New Member

Re: Problem accessing a cisco 3550 vlan via telnet or ping

Yes - I am in the middle of the same issue and just upgraded to the new IOS. I am in the middle of testing but upgrade the 3550 and see if that resolves your connectivity issue.

New version:

(Depends if you are using SMI or EMI but go to Cisco's software center)

Version 12.1(9)EA1a

It will be a .tar extension use the following when transferring the image to the 3550:

archieve download-sw /overwrite /reload tftp:[ tftp Server address]/filename

Hope that helps .

New Member

Re: Problem accessing a cisco 3550 vlan via telnet or ping

As I have a WS-C3550-T and not a 24 or 48 , it is not clear whether I should use the SMI or the EMI from the download centre. The version I currently have installed is 12.1(6)EA1a

I am thinking the EMI version, your thoughts?

Tx

Nick

New Member

Re: Problem accessing a cisco 3550 vlan via telnet or ping

The version depends on:

1. What you paid for on your service contract

2. The specific needs of your environment and the role the switch plays.

If I remember correctly, the SMI is standard L2 whereas EMI is enterprise which supports L3.

Hope that helps.

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