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- About Freihafener
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Member since
03-01-2011
45
Posts
8
Helpful
1
Solution
10-27-2014
05:19 AM
Ok, here we go: the 150-2 supports SHA256, 122-55 seems not. Config had a "enable secret 4" configured - which is gone after IOS change. So actually I have no enable password set. Which an "enable secret 5" it is no problem to switch IOS.
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10-27-2014
02:16 AM
Checked console access right now - I get straight to enable mode after login on console. Passwords are encrypted, so I cannot check them. While telnetting on localhost switch still not accepts enable password. I will reconfigure it on console and see what happens - but first I have to remember how to set it only for remote access...
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10-26-2014
11:41 PM
Roundtrip delay and vlan / L3 segmentation. For everything else I would need more information .
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10-26-2014
11:35 PM
Hey there! I changed from c2960-lanbasek9-mz.150-2.SE4.bin to c2960-lanbasek9-mz.122-55.SE9.bin on a WS-C2960-48PST-L. Now I get access with telnet, but I get the message "wrong password" when I try to switch to enable mode. Password is correct and works on switches with "old" IOS version - used copy paste on all switches. I try console access later, but I have little hope that it makes a difference. Anyone ever heared about trouble with telnet enable mode after IOS change? Greets FH
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Labels:
05-22-2014
02:21 AM
224.0.0.2: The All Routers multicast group addresses all routers on the same network segment. 224.0.0.252: Link-local Multicast Name Resolution (LLMNR) address, used by Microsoft products. Source: Wikipedia Empirically normal multicast traffic.
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05-22-2014
02:11 AM
I would like to update my 2960s etc. again. Actually we are running 15.0(2)SE4. I have seen that cisco added the suggested ios version - so I could choose the 150 SE6 or the suggested 12.2(55)SE9. Cisco describes the supported image as "Cisco Suggested release based on software quality, stability and longevity." I know that cisco uses us as bug tester so the older ios version of a cisco product is generally more stable. I have accepted the risk but now I am a little douptful if I should "role back" to 12... Any experience or advise? Greetz FH
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- Tags:
- IOS Latest Suggested
Labels:
10-18-2012
06:14 AM
Hi Glen, you are right, it do not make sense to spend money for an update. The 3550 works at a small branch office - no budget for a new (or newer ) switch. But as it talks spanning tree with the 3560G I guess we will use it with 12.1(13) until the end. Greets FH
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10-18-2012
03:01 AM
Thanks for your quick reply! Any idea about the cost of a software licence upgrade?
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10-18-2012
02:19 AM
Hey there, I have an Cisco 3550 48 SMI running IOS (tm) C3550 Software (C3550-I9Q3L2-M), Version 12.1(13)EA1a. Software advisor says that I can only update to Version 12.1(22). The software download area tells me that the latest version is 12.2(44). Does anybody know if I could use the latest 12.2? Or has the hardware changed with the IOS versions? Thanks for a short reply FH
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- Tags:
- catalyst_3550
- ios
- smi
Labels:
07-14-2011
06:35 AM
Guess you are right - but I am sure that the response times were better in the past. So I had the apprehension that slow ping answers could be the beginning of something bad affecting the clients. But probably if you cannot find any reason for a problem there is no problem at all. Thanks for your estimation. FH
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07-13-2011
06:43 AM
As john and p.mcgowan indicates the VLAN must be known on the switch. This is why we need this: "Can you please post output of show vlan and show ip interface brief" You could even try to set switchport trunk allowed vlan 55 on the trunk port.
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07-13-2011
06:35 AM
On the 4506 core we have a cpu utilization of 5% from Cat4k Mgmt HiPri Cat4k Mgmt LoPri As you mentioned STP - we have two switches on the stories which bring a STP state change for any client coming up or down: %SPANTREE-6-PORT_STATE. For that matter I got about 800 messages a day concerning STP change. Do you mean that could be the reason? Could deactivate spanning tree for the client ports - but what if a foxy user connects a SOHO switch in the office the wrong way...?
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10-27-2014
Ok, here we go: the 150-2 supports SHA256, 122-55 seems not.Config had a
"enable secret 4" configure...
10-27-2014
Checked console access right now - I get straight to enable mode after
login on console.Passwords ar...
10-26-2014
Roundtrip delay and vlan / L3 segmentation.For everything else I would
need more information.
10-26-2014
Hey there! I changed from c2960-lanbasek9-mz.150-2.SE4.bin to
c2960-lanbasek9-mz.122-55.SE9.bin on a...
05-22-2014
224.0.0.2: The All Routers multicast group addresses all routers on the
same network segment.224.0.0...
05-22-2014
I would like to update my 2960s etc. again. Actually we are running
15.0(2)SE4.I have seen that cisc...
10-18-2012
Hi Glen, you are right, it do not make sense to spend money for an
update. The 3550 works at a small...
10-18-2012
Hey there,I have an Cisco 3550 48 SMI running IOS (tm) C3550 Software
(C3550-I9Q3L2-M), Version 12.1...
07-14-2011
Guess you are right - but I am sure that the response times were better
in the past. So I had the ap...
07-13-2011
As john and p.mcgowan indicates the VLAN must be known on the switch.
This is why we need this: "Can...
Public Statistics
| Date Registered | 03-01-2011 04:43 PM |
| Date Last Visited | 04-03-2018 04:29 AM |
| Total Messages Posted | 45 |
| Total Helpful Votes Received | 8 |
Helpful Votes Given To
| User | Helpful Count |
|---|---|
| 4 | |
| 5 | |
| 3 | |
| 13 | |
| 3 |
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