Switching

Accessing inside LAN resources with their public IPplease note i have cisco 2921 router for expertise can you provide me configration to access lan servers from outsidebelow is connectivity diagradcisco 2921 port gig0/0-------------------connected to...

Is it possible to send the whole traffic from 2 interconnected switches into one of its physical interface ?I mean a monitor session, where a single destination port receives all traffic from both  switches.

Hello, I am having issues with I put in my aaa. I get % error in authentication aaa group server tacacs+ defaultaaa authentication attempts login 5aaa authentication login default group tacacs+ localaaa authentication enable default group tacacs+aaa ...

I have a Ws-C3850-48P stand alone that I'm trying to upgrade. The current image is:   cat3k_caa-platform.SPA.03.07.03E.pkg. I'm trying to upgrade to : cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin When I try the switch install command the operati...

It seems that, when outputting traffic on an etherchannel configured with "switchport mode dot1q-tunnel", a Cisco switch is not able to "look" into the IP payload for the IP src and dst addresses to use for balancing - it seems to be treating the tra...

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Hi gentlemen,I wish to know when I should set my switchports' modes as TRUNK? Also, switchports connected to my end devices should be set to TRUNK or no?All the best 

Could I use the SFP+ ports on  switches with Ethernet cables? To add more SFP+ ports, would I need to use a module for the switch? 

We have a customer using 802.1x with ISE from both Catalyst 9300  & Catalyst 2960 switches; on both platforms a failed authentication will occasionally persist on a port after the offending device has been removed, with repeated authentication failur...

Good morning cisco community,I have a question that may seem dumb to the engineers in this forum.  However, here it is...I am setting up a 2960 switch to use two vlans I created, vlan 10 and vlan 100.I originally set these up with ip addresses, it wo...

Hi all I've discovered the bug CSCvs41591 which should be "fixed" for Nexus NX-OS Release 7.3(7)N1(1): https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/release/notes/7x/Nexus5500_Release_Notes_7x.html Has anybody details for it?...

I have been tasked with identifying several switches. Some in use and some still in boxes. Without running all over the facility is there a way to find out what a switch is i.e. 24 or 48 port by using the serial number in a online lookup something si...