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dear sir, We tried to delete off vlan 250 on the network by conf t --> no inter vlan 250 and no vlan 250 . However we did a show vlan counters as below, we still saw the vlan 250 is there. But with show vlan, we won't saw vlan 250 there. Vlan 250 ...

chialun by Level 1
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  • 6 replies
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I am trying to upgrade a 3750-24PS. No matter what image I try to upload I get a error when booting.flash:/<IMAGE_NAME> magic number mismatch: bad mzip file.I have tried every single 12.2(25) image I can find on CCO and they all return the same error...

aclaughan by Level 1
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  • 2 replies
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Resolved! Default Gateway

I have a couple of switches in a branch office connected via LES. They dont have a default gateway set but i can still talk to them and vice versa. How is this possible?

Does anyone know a model of switch that is all fibre LC connectors?I am looking for somthing to connect fibre switches to that are currently on media converters.

kdonnison by Level 1
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  • 2 replies
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Hi NetPro,just to confirme with the DHCP configuration is that correct. thanks.Core-Switch-----------interface Vlan312 description Vlan ip address x.x.x.x 255.255.255.0 ip helper-address x.x.x.x no ip igmp snooping explicit-tracking ip ospf message-...

ney25 by Level 2
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  • 9 replies
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Hi!What I do like to load, with a command line only, a configuration stored on an ftp server or tftp. What my advice? We need to know because I am developing an application that will allow me to load jsp through commands rcp rsh or any configuration ...

Hi @ allI think,it is a easy question.Is it possible to start a reverse telnet session over the aux port from a Cisco 2821 Router to a Console Port from a Non-Cisco Device (for Example a Lantronix Console Server)???If yes, which parameters are necess...

sbrunst by Level 1
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  • 5 replies
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Hi all,Yesterday I did an IOS upgrade on Sup720. I pointed the bootvar to the Sup-bootflash and Sup720 went into Rmon mode. Once I pointed the bootvar to the Sup-bootdisk, it worked.After doing some research, it seems like Sup-bootflash and Sup-boo...

kevin.hu by Level 3
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  • 7 replies
  • 0 Helpful votes