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Dear all: Unfortunately I deleted the flash directory on my Cisco switch 3550, when I reboot the switch I realized that there is no IOS at all.any way to restore the IOS from local directory ? If not , how I could running back the switch 

HiHow can I change the redundancy mode from RPR to SSO in a Cat4507R+E with SUP7L-E and IOS XE .03.04.05.SG.151-2.SG5? The commands:redundancy - mode sso ... is not available:lan_4507_1(config)#redundancylan_4507_1(config-red)#mode ?  rpr  Route Proc...

Hi all,Assuming that I have a Layer 2 switch, and I have not configure any VLAN in it.By right, I will need to create a management IP and a default gateway.Switch# conf tSwitch(config)# interface vlan 1Switch(config-if)# ip address 192.168.1.11 255.2...

SJ K by Level 5
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  • 9 replies
  • 0 Helpful votes

Hi all, Today I have came across NIC card that is able to tag VLAN as well as the tagging of VLAN in VM environment from the guest OS nic card.I believe sometime tagging a VLAN on the host/guest devices is necessary as oppose to configuring the VLAN ...

SJ K by Level 5
  • 4928 Views
  • 17 replies
  • 0 Helpful votes

HiI'm wondering if someone who did this before could guide me on where to start to uplift the whole environment in our Hospital.I have asa firewall, two core switch, 2 distribution switches and 55 access switches.My question is where do I start to ch...

techy8888 by Level 1
  • 142 Views
  • 1 replies
  • 0 Helpful votes

Hi All,I have a C3KX-NM-10GT installed in a WS-C3750X-48T-S with ios 150-2.SE7 and IP Base installedThe problem i'm having is i can't get the ports online, the closest i get is a slow blinking green lightI have CAT6 plugged into the C3KX-NM-10GT and ...

billybong by Level 1
  • 974 Views
  • 4 replies
  • 0 Helpful votes

Hi Geeks,Im a newbie with cisco here but Im of the intention to setup my new network with cisco equipment and I require some expert advice here.First of all, we have two sites in two different locations, and we are planning to implement fiber between...

twarsal01 by Level 1
  • 5467 Views
  • 11 replies
  • 0 Helpful votes

The QSFP-SR4 GBIC uses a BIT-SPRAY over 4 fiber pairs within a 12 fibre MPO connector. to equally spread BITs around all 4 fibers pairs. While for the QSFP-BiDi, cisco talks about 2x 20Gbps transmit and receive channel to enable an aggregated 40-Gbps...

wim.juste by Level 1
  • 568 Views
  • 0 replies
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Hello,we have a vpc domain of 2 N7K with each with 2 N7K-SUP1 . When i want to add a vlan i´get the following message. It happens only at one of the N7K. Switch(config)# vlan 1408Service not responding Any idea? Regards Horst

hdussa by Level 1
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  • 2 replies
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Current Scenario:- Firewall is connected to a switch and that switch is connected to other switches in piggy backing scenario, there are no only 2 vlan, native and vlan20 with 30 hosts, all other 250 hosts are in native plan.  All hosts have firewall...

Hi all, I want to create a unidirectional Link between two catalyst 4500X. Switch 1:interface TenGigabitEthernet1/1 unidirectional receive-onlyendSwitch 2:interface TenGigabitEthernet1/2 unidirectional send-onlyend   Problem:Switch 1 --> Port notconn...