Switching

Anyone know what this error is? Or Which VTT its referring to? I have a pair of VSS 6807-XL with quad Sups - I know that each chassis has 3 VTT modules, i am unsure where the error is pointing to? %C6KENV-SW1-4-VTTFAILED: VTT 8 failed %C6KENV-SW2_STB...

Hi, I have a really odd problem with my Cisco 3560 (with POE) switch. The ports of the switch are all set to various VLANS (access mode), except 1 port that is set as a trunk. The problem comes when I connect my QNAP NAS drive to 2 of the designated ...

I am trying to connect a Cat3560G switch to an N7K pair via a vPC.  The VLANs I wish to trunk are being suspended, I am getting the following error messages:2010 Jun 22 17:03:36 N7K-Core1 %ETHPORT-3-IF_ERROR_VLANS_SUSPENDED: VLANs 2,301 on Interface ...

Today I was told changing interface bandwidth will cause interface flapping. I am unable to repro. Is there any platform on which changing interface bandwidth causes traffic interruption with EIGRP? AFAIK I don't think it has impact on availability w...

Hi All,   Recently we replaced the C3850 stack with C4507 SUP-8E, and keeps configuration identical. But we found that ICMP redirect feature enabled on 4507, but not working, made the ping loss to anther subnet through another 4507. But if we specify...

Hi ..   is there any order we need to follow while configuring the  brand new switch .   Know that while configuring  AAA for TACACS ..need to follow some order , recently while configuring switch TACACS faced the issue .....post tacacs  stuff config...

'CCNA Routing and Switching ICND 2 200-105 Official Cert Guide' says 'This range of VLAN IDs is known as standard range VLANs, and includes VLAN 1, which is the default access VLAN and the default native VLAN on each port.' on page 179. Does 'default...

Hello   We are thinking of purchasing Catalyst 9300 switches to replace our 3750Gs and trying to understand how the new subscription-based licensing works. We were informed that features still work after the license term expires so what are the advan...

I have a stack of n switches, the master is on my preferred version of code 3.6.5, one of the other switches in the stack is on 3.6.6 (shipped from factory). Switch Ports Model SW Version SW Image Mode ------ ----- ----- ---------- ---------- ---- * ...