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Cisco Community is an active and collaborative place to learn more about our products and ask questions of peers and Cisco experts! Check out some of the most popular conversations happening right now!

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L3 Routing on Catalyst 2960S

Hi All, I'm pretty new to switches and I've recently purchased a Catalyst 2960s. Although I'm aware this is an L2 switch, I'm pretty sure I can connect several devices to the internet using it (16 I believe, one for each SVI). I'm a few days into att...

cschmitt by • Level 1
  • 2353 Views
  • 16 replies
  • 0 Helpful votes

TFTP IOS

Sorry if this is a stupid question. I'm trying to copy an ios image to my tftp server, but it appears the IOS image is located inside a directory and for some weird reason I can only get the image to copy over if it's in the root of flash. I'm receiv...

dvanzee by • Level 2
  • 2163 Views
  • 9 replies
  • 0 Helpful votes

Can't ping (Cisco RV260W)

We were given the following details:The L2 PVLAN has been created:PVLAN- 123Name: pvlan-XXX-L2Primary IP: x.x.x.131/27Subnet: 255.255.255.224Gateway: x.x.x.129 However, when we plug in the router's WAN port to the PVLAN port in the office (and config...

2sg3arcw7 by • Level 1
  • 196 Views
  • 3 replies
  • 0 Helpful votes

dpc3941b MAC Filter Settings

I'm trying to set up MAC filtering for a dpc3941b.In the dpc3941b MAC filter settings what is the difference between "Allow All" and "Allow"?Also, are there two different MAC lists, one for Allow and one for Deny?

How are DSCP values set?

Hello,It's possible to identify QoS traffic based on DSCP values. For example, for the EF class, by using the command "match ip dscp ef". But, how is the correct DSCP value set for specific traffic?I know that with some applications, the user can hav...

a1111 by • Level 1
  • 277 Views
  • 7 replies
  • 0 Helpful votes

AP C9124AXE-ROW don't activate RADIO (2.4 and 5 GHz.)

Hi guys!I have some Access-Point (AP) C9124AXE-ROW in Controlle Cisco C9800-L version 17.6.4.The problem is that some APs C9124AXE-ROW do not activate the radios interface (5and 2.4 GHz).The power of the APs is OK 60W.As far as I know, there is no in...

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Trouble with ssh on a Mac to a Cisco router

C-Kermit 9.0.302 OPEN SOURCE:, 20 Aug 2011, for macOS 11.1 (64-bit)Copyright (C) 1985, 2011,Trustees of Columbia University in the City of New York.Type ? or HELP for help.(/Users/edwardstafford/Library/Application Support/MacWise/kermit/Update/) C-K...

cisco 2901 ROMMON help

Hello all,Looking for advice as I am unable to get to ROMMON on my Cisco 2901. It seems password recovery has been disabled. I removed the compact flash and rebooted without success. Please see output below. System Bootstrap, Version 15.0(1r)M16, REL...

what is the real trigger for spanning tree take effect?

greetings guys,sorry for raising this kind of old-school question.It seems it is usually said that whenever there is a physic loop, a spanning tree (whether 802.1d or 802.1w or whatever, as long as they are not disabled) will take effect and block so...

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seanxiao by • Level 1
  • 300 Views
  • 9 replies
  • 0 Helpful votes

IPPBX CISCO ip-Phone

I have 2 office locations. In main office I have dgm pbx server for cisco ip-phones and network range is 192.168.1.0/24. In my branch office I have network 172.16.1.0/16. I have ip-hones there. I have DMVPN tunnels between cisco router for reachibilt...

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