Switching

I have 2 3750 stacks, both of which are very similar. Both are running 12.2(55) SE3.When I add the following command to one of the switches however it results in an authorization failure message when logging in from the console. Logging in to VTY is ...

i have several cisco sg300's (in L2 mode) and i would like to have certain vlan traffic go through 1 fiber port and other vlan traffic go through the other fiber port.i'm using vlan 100 for data(untagged) and vlan 200 for voice(tagged)ports 1-24 have...

Hi,New Catalyst Express 520G switch is to be connected to 6509 using a trunk. The existing network consists of 3560 switches as access and 6500 as core. The existing Voice VLAN ID is 1000 and 1001, where VLAN 1000 is for Voice servers and 1001 is for...

Need two things, please:1.) a Link to a design guide that shows all the combinations of how I can connect a FEX to a 5K/7K2.) The highest number of 2232 10G FEXs I can connect to a pair of 5/N7ks.        Thank you

     What are the security issues in connecting a notebook to a console of the 2950 switch?Can  virus or trojan enter into a switch during configuration session? If the answer is yes, what precoutions must I take to prevent such case?Does anybody hea...

i have a cisco router 7206 i performed two commands on the same routerNS-Gateway#sh bootflash: -#- ED ----type---- --crc--- -seek-- nlen -length- ---------date/time--------- name1   .. image        D9C0D081  80F474   29  7926772 Sep 15 2000 07:01:42 ...

It's a weired issue in N7010, checking is anyone here came across the same?We did an upgrade from NX-OS 5.1.5 to 5.2.4 and found all M1 line card interfaces were stuck in initializing state for long time.'show module' status says ok. And we cannot ex...

Hi All,In our environment we have total 18 Access Switches  and one Core Switch 6509 (s72033_rp-IPSERVICESK9-M), Version 12.2(18)SXE5, for the core switch i have to upgrade the IOS All Access  switches are 3750 module with PoE For ground floor Three ...

Good Day,One of my co-workers upgraded a server from Mac OS Lion 10.7.4 to Developer Preview 10.8 yesterday and now the bonded nic does not work.The config on the switch worked prior to the OS update.This is the how the config looks now.-------------...

HiCan anybody provide me a IOS for for GNS3 simulator, which i wanted to practice some routing & switching commands to study for icnd2.RgdsAshoka

Anyone knows the answer that we upgrade IOS and replaced module for 6509 but after that DLSW circuit is not being established. The connection is like We have router --> router  (Remote and local dlsw peer) then go to switch 6509 (which we replaced mo...

I have bought a new 1921 router (IOS :C1900-UNIVERSALK9-M), Version 15.1(4)M4) and connect my ADSL link to it. After router connection i am facing frequent disconnection during uploading any file through coreFTP though i haven't face any problem in d...

Device:  asr9kSoftware: 4.2.1show mrib route.........(11.0.3.18,225.0.15.175) RPF nbr: 11.0.3.18 Flags:  Up: 13:16:35  Incoming Interface List    GigabitEthernet0/1/0/10.100 Flags: A, Up: 13:16:35(11.0.3.18,225.0.15.176) RPF nbr: 11.0.3.18 Flags:  Up...