Cisco Catalyst Center
This community is for technical, feature, configuration and deployment questions. For production dep...
2375 PostsActivity in Networking
Restoring back a Client who was REMOVED using Cisco Prime
Hi, if I have remove a client using Cisco Prime Infrastructure how do I re-enable or allow it back in to the network.
IPsec over NAT444 issue
Hello Everyone I have to set up an ipsec tunnel with Lo0 as source of tha tunnel. Nat is activated in My CE and in the ISP level (NAT444)All ipsec and Nat configuration is ok but, and as I know that for the NAT to work correctly, the packet should pa...
Using DNS to resolve switch hostnames for NTP
Hey all, I'm pretty new to all of this, I just passed the CCNA in June, and have been working as a jr. Net Eng/Admin of my company for about 8 months now.I was asked to configure our core switches at our main office as NTP for the rest of our network...
ASA performance test using iperf3 - NAT problem
I tested the ASA 5520 iperf3 to check its performance. I then wanted to add NAT to it to find out how much it was taxing the device. However, I kept having the problem that almost all traffic was untranslated.The created objects are the same, i.e. 19...
BGP prefrence over static Routes
I have a setup in which i have 2 routers connected to same ISP A both via default route pointing towards ISP for internet.Now we want to add another ISP B on both routers however that ISP will use BGP with RIPE IP address over the internet.Now we wan...
Monitoring network traffic from a multicast IP address
I am trying to figure out a way to monitor network traffic from a specific multicast IP address and port via SNMP. I've found the MIB files that for the Catalyst 2960 + switch and I have been trying to use the iReasoning MIB browser to view the MIB f...
New to Cisco - Avaya Phones
We are moving to Cisco C9200 Access switches with a Core C9300. Our environment has Avaya IP Office with physical phones on our desks. With our existing Avaya switch, the port the phone connects to is configured with two VLANs. We have VLAN 20 for PC...
C3850 upgrade failure
I wanted to upgrade the C3850 in stack from version 16.12.8 to version 16.12.11 in BUNDLE mode.The steps I followed: 1. copy tftp: flash: .... -> successfully 2. no boot system 3. boot system switch all flash:cat3k_caa-universalk9.16.12.11.SPA....
Can traffic access logs (src IP, dst IP, Allowed or Denied) be check?
We detected traffic from an external malicious server targeting one of our sites through the firewall.We would like to check whether there was any access to the Cisco SD-WAN Router from this source.Is it possible to confirm traffic access logs (such ...
Switching ports based on Incoming Data
Would anyone know a way to set up a switch so that if port 1 had incoming data, port 2 is on standby. But when port 1 no longer sends data for 2 seconds, the switch changes port 2 standby mode to active. I tried to use switchport backup for this, but...
Specific SDWAN Design Viability
Hi All, One of our customers has brought up a specific requirement for the SDWAN design at the head quarter office. They have two internet links and two routers at the sites. Internet links are terminated to NTUs. They have asked for the below desig...
SD-WAN Centralized policy force the source path
Hello, I am trying to find out via the topology of a centralized policy how to force the source of the traffic and not the destination. I have two VPNs 10 and 20 and I would like VPN 10 to go out on my spoke via the interface in private 1 color as a ...
GRE Tunnel streams
This is very high level, wanting to know if this is possible. We're the middle man. I don't have access to or knowledge of equipment or configs on the other providers. Currently we are handed off a GRE tunnel to a router. We have an ipsec tunnel ...
Resolved! PC can ping router but cannot ping a different network (Packet Tracer)
Hello,I am doing a lab for class that's due at midnight tonight and I've been having trouble for the past couple of days. The assignment is to essentially create a topology with 4 different networks connected with 3 different routers. 3 of the networ...
Resolved! CBS350 routing issue
Hi everyone,I'm trying to set up a little lab with 2 CBS350.I want to link those 2 CBS by connecting te2 with L3 (no switch port. IP 172.31.254.253/30 and 172.31.254.254/30)On CBS-A I have VLAN 92 IP 172.16.14.1/24 and PC IP 172.16.14.10/24 (with GW ...
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