Switching

We need a 10G switch which is redundant without single point of failures. Can a cisco-6500 series model do this? Or a 2 x 4500X stacked model is better for around 25 x 10gbps fiber connections

I have a typical scenario as attached. Here my VLAN1 can cross the cyberom but rest of the VLANs can not cross the cyberom for internet and other WAN communication. Please help. I have also configured default gateway on my core switch (which is in L3...

Hello all, Imagine 2 switchs connected by a trunk (only vlan 1 and 2 are configured) - switch A runs RSTP with priority 0 - switch B runs RPVST+ with piority default If not mistaken I believe RSTP only processes BPDU on VLAN 1 and it does not replica...

Hello. We have a several WS-C2960-48TT-L (15.0(2)SE10) and we need to save snooping database by ftp . switch settings: ip dhcp snooping vlan 16no ip dhcp snooping information optionip dhcp snooping database ftp://login:pass@SRV_IP/dbfileip dhcp snoop...

Hello, we juste bought new c6807-xl-s2t-bun, but when I started it, I was in ROMMON mode. This product is sold without iOS? Witch one download? Full Encrypt or NPE? What's the difference? I read there is a specificity for some country to choose one ...

Hi Team,   I need help on creating a port-channel on a NK7 I'm kind of new on this  I have the following port-channel 105 now i need to create a port-channel 205 can someone  help need to be like the one below.   Thank you,   interface port-channel10...

I have a 3560X switch with a Cisco Meraki 42 access point plugged into it.  I need the access point to do vlan tagging so ssid1 =vlan 72 and ssid2 = vlan 73.  The port setup is switchmode mode access, switchport access vlan 201, so it will pull DHCP ...

Hi  I have a Cisco Cat 2960 X  series switch and i am trying to connect an ImproX ECII access controller on it, but it does not work. This device is rated to work at 10/100/1000.  But i cant ping it. The device has been and is working fine on a older...

On 14 August 2015, Cisco has announced the End-of-Sale and End-of-Life for the 12.2(55)SE software. I would like to use this discussion thread to say "Thank you" and "Well done" to the Cisco developers who've made this IOS version 12.2(55)SE train th...

Hello, We saw a really unusual issue today on our L2 network. We have a small network of about 10 switches. Two 3750 stacked switches in the core and the remaining 8 switches connected via portchannels to the 3750 stack. Today we created a new vlan (...

We are planning to upgrade from VTP version 2 to version 3. Is downtime required for this change? Could you please share any document stating the steps of this change. I searched online but couldn't find one.

I am trying to configure a port channel on a Cisco 2911 with switch module installed. I am trying to use the switch modules interfaces but I don't have any option for channel-group under the interface mode. The router has ipbasek9. Do I need differen...

Hi there, We have classical Hub&SPOKE topology where branch routers connected to HO Router over ISP VLAN number xxx ( with private IPs ).In addition to,we implement IPSec Site-to-Site VPN for security purposes over GRE tunnel.Let's say,WAN interface ...

I have a cable modem connected in router g0/0 receiving dhcp and g0/1 internal lan connect to switch. I am able to ping the outside world from router but not switch and can't figure out what's wrong. Please Help