Networking

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Cisco Catalyst Center

This community is for technical, feature, configuration and deployment questions. For production dep...

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NFVIS Solutions

Join peers and Cisco experts to discuss Cisco’s Network Function Virtualization (NFV) products and s...

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SD-WAN and Cloud Networking

Join this community to interact with your peers and Cisco about SD-WAN and all things related to sec...

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Switching

Discuss Catalyst brand switches with peers and experts.

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ThousandEyes

Join us for information about our use cases, common troubleshooting, discussions, getting started gu...

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Activity in Networking

1921 Router Config Help

Hello, I know very little about configuring cisco hardware and need some help..... we are currently running an 1800 router and I obtained a new to me 1921 router and would like to replace the 1800 router with the newer one, I managed to get it factor...

cwasilak by Level 1
  • 277 Views
  • 15 replies
  • 0 Helpful votes

How Find Switch?

So, previously I had a static IP address I could point putty at that would SSH just fine. I verified the address in a Show Run form I copied two days ago, so I'm not crazy. The config was written to memory multiple times so it's not that.Today, after...

dxtrgerry by Level 1
  • 9 Views
  • 0 replies
  • 0 Helpful votes

NTP and Syslog packets with specific IP Address

Hi All,I have a couple of C9300 L3 switches that are connecting to an ASA firewall. The NTP and the syslog server for the switches are located behind a firewall.When one of the switches request/send packets the gateway IP is the source address on the...

Ranjita by Level 1
  • 245 Views
  • 19 replies
  • 0 Helpful votes

Unable to Access Web Server - Whats Wrong with this Configuration

ASA working in IPSec, I am able to access HQ from UNIT No problem. Internet is only allowed on specific IPs which are outside DHCP Scope. When I assign IP for internet, now Internet is working, HQ Network is accessible, but S_EXT (webserver - 10.10.1...

mfdarvesh by Level 1
  • 166 Views
  • 12 replies
  • 0 Helpful votes

cisco isr 1116 port forwarding

Hello,I have a cisco router connected to ISP using Dialer interface. I can access the web no problem, but have problems configuring port forwarding to a local computer from outside. Trying with tcp port 5555.Any idea what I am doing wrong? Thanksvers...

maple1 by Level 1
  • 54 Views
  • 1 replies
  • 0 Helpful votes

MST convergence takes 5 seconds

Hi,I have been testing MST in my lab which has 3x Cisco Catalyst WS-C2960CG-8TC-L switches.I configured only MST and LACP on each switch and connected them in the ring topology. Test is to see how much time it takes for convergence in such conditions...

Forward traffic from subnet to another on C3750

hi guys thanks for your suggestions in advancei just reconsidered my whole message. after trying some things. i think i need to set up acl but i'm far from good at it.what would be the ip access-list extended or access-list lines that'd allow me to h...

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gabecz by Level 1
  • 237 Views
  • 7 replies
  • 0 Helpful votes

Cisco 8000 based campus backbone

Is there anyone here using Cisco 8000 series (8801/8802/etc) in their backbone with VXLAN? I’d like to get some feedback of this Silicone One based platform.Use case: Looking for a backbone upgrade from Cat6K based VPLS to something new. Have 6 pairs...

ISR 4k Netflow not sending data

I've got 15+ Cisco ISR 4000's (a mix of 4331s and 4551s) in our network and when trying to setup Netflow to PRTG, It seems that when I hit 5 interfaces that need to be monitored, there is always 1 that won't come up in PRTG and that doesn't send data...

lvl3mp by Level 1
  • 97 Views
  • 2 replies
  • 0 Helpful votes

Macro auto execute does not work (Autosmartport macro)

Hello,Pleased help me! I have configured macro auto execute on Switch C3560E as below but it does not work, The idea is that when a link change to up, the switch automatically assigns this link to VLAN 10, and then link down, switch removes this link...

Lucyy by Level 1
  • 61 Views
  • 1 replies
  • 0 Helpful votes
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