Switching

Hi, it looks as though someone as set no exec timeout on the VTY lines of a remote switch.  We are unable to connect to this now via SSH even though it is up and running.  Looking at the configuration backups I can see that the no exec timeout comman...

we have a trouble with dhcp server in our network. we have cisco c3850 L3 switch as a dhcp server and the problem is that, sometimes clients can not receive lease.when I type  #show ip dhcp binding, 192.168.137.16  0100.21b7.5e81.64       Sep 21 2015...

We had configured sub interfaces on our router to connect our local lan, fa 0/1.7, fa 0/1.8, After that we had configured vlans like vlan 7 & 8 on L2 switch. Network is working properly, when I am trying to ping from vlan 7 to vlan 8, then I am getti...

The port g1/1/3 is getting blocked by STP on VLAN75.After there are MAC flapping messages for multiple MACs in VLAN75 in that port. Hence the switch is building the MAC table for packets received on g1/1/3.My understanding was that a port in blocked ...

Setup is Catalyst C4500X x.x.20.1 (IOS-XE Software, Catalyst 4500 L3 Switch  Software (cat4500e-UNIVERSALK9-M), Version 03.07.00.E), as default gateway for subnet x.x.20.0/24, with static routing to several other gateways.Testing from host x.x.20.200...

We have an new network setup of 4500 Core and 2960 at access level with 15 vlans up with intervlan communication and running excelentwithout any issues. Cisco Core switch Wan Vlan IP is 10.6.100.1 255.255.255.252Route 0.0.0.0 0.0.0.0 10.6.100.2 Forti...

Does anyone have any additional information on open bug CSCty98415?  The bug details state to contact TAC.  Trying to get more information before opening a case.  Thanks in advance,

Dear All,Thank you very much for your kind cooperation.I need a help about how to calculate Backplane, forwarding bandwidth, throughput of a switch and router. Please help me as soon as possible. With regardsMehedi Hasan

How would one configure Fastethernet ports so that routing updates are not sent into LANs?

%SW_MATM-4-MACFLAP_NOTIF: Host 0007.b400.0101 in vlan 530 is flapping between port Te0/1 and port Te0/2 %SW_MATM-4-MACFLAP_NOTIF: Host 0007.b400.0102 in vlan 530 is flapping between port Te0/2 and port Te0/1 the host mac is the mac address of the glb...

Hello,when using Ethanalyzer command to trace frames sent or received by the N7K Supervisor, is there an option in this command or some eyecatcher in the resulting trace that allows to know if a frame has been received or sent by the Supervisor ?when...