Networking

SD-WAN dual-router branch design

Hi,I am looking to hear you experiences. In dual-router branch design, have you used the same router model or have you used one router model for "primary", and one router model for "backup"? Why?

Sub interface configuration issue with ISR100 4G (Viptela OS)

Dear experts,I am facing difficulty while trying to configure sub interface in Ge0/1 (Telco facing). My telco is asking me to configure vlan tagging 100 to make the link work.I have simple config as below. personality vedgedevice-model vedge-ISR1100-...

MX85 WAN2 Won't Connect.

Hello,My client has an MX85 with the 2x copper WAN ports used for redundant internet services, both are enterprise static IP services.The WAN2 port has never worked, after some troubleshooting I determined the carriage service is operating fine and t...

Resolved! Re: certificate of conformity C9300

Hello Am Derrick and i was requesting for declaration of conformity for glc-sx-mmd and sfp-10g-lr . Thanks

How to configure port monitoring (SPAN) on a Catalyst 2940, 2950, 2955, 2970, 3550 or 3750 series switch

ResolutionYou can analyze network traffic passing through ports by using Switched Port Analyzer (SPAN). This sends a copy of the traffic to another port on the switch that has been connected to a SwitchProbe device, another Remote Monitoring (RMON) p...

115v or 230v - Which one to choose ?

Hi ,Currently doing a big hardware refresh and PoE requirements are through the roof.Looking at a typical C9350 , the 1600W PSU only delivers 1600W on 230VAC on 115VAC it's 1200W and less efficient. PWR-C2-1600WAC1600W (230V input)1200W (115V input)I...

Cisco CEF with GRE Tunnel

Hello!I have a simple LAB:As part of understanding how CEF works, I wanted to see how the FIB and Adjacency Table deal with GRE tunnels. In this case, a simple P2P tunnel using GRE and a FVRF:R1:R2Traffic flows, all good. When I check the FIB on R1 f...

Output drops on Catalyst C9300-48T connected to AP 9120AXI

Hi, we are seeing output drops on switchport connected to 9120AXI access point. No policy-map configured on switchport. Cisco TAC said it is due to microbursts and configured qos softmax multiplier 1200. This has added more buffer to the queues. But ...

"I'm having DHCP issues with my Cisco 867VAE-K9 router. I know it's an

Cisco 867VAE-K9 running IOS 15.2(4)M6.WAN is working correctly:* ADSL2+ Annex M* ATM PVC 1/50* PPPoE (aal5snap + pppoe-client dial-pool-number 1)* Dialer1 receives public IP address* NAT overload works* Internet access from the router works normallyL...

3rd party SFP+ modules identification in Catalyst 9500 switch

From trusted shop we obtained SFP+ modules described as Cisco compatible.Compatible SFP-10G-T-X identifies as SFP+ 10GBASE-SR (sh inventory or sh int transceiver).Compatible SFP-10G-BXD/U-I identifies as SFP+ 10GBASE-LR.Is this going to be a problem?...

RX-SOP Design Considerations for Mixed Handheld and Laptop Environment

Hello everyone, I am currently facing a somewhat complex wireless design challenge in a warehouse environment and would appreciate feedback from the community. Environment The customer requires wireless connectivity for two very different client type...

Isolate VLAN X from other VLANS

Hello Together,we have a Catalyst 9500 Core Switch and I wan to Isolate a specified VLAN (VLAN 5) deny to connect to all other VLAN. Here is a simple configuration and explanation what the result should be.VLAN 2 (Server) 10.1.2.0/24 Gateway VLAN int...

Etherchannel to Etherchannel

I have a Catalyst 5509 and I am unable to ping from one etherchannel connection to another etherchannel connection. I have 2 linux boxes connected to the switch via etherchannel. I can ping the switch from each linux box. I can ping each linux box...

Cisco 8000 Series Secure Routers and hsec licence

I'm interested new devices of secure routers have the same policy for getting hsec license to do ipsec performance above than 250m?For example C8151-G2 has ipsec performance 1.5gbps and sdwan 900mbps but strange there is no information how can I get ...

Flex Profile Maximal

Hello, My AP running using flex connect with WLC9800 and i will build dynamic vlan for this SSID. The vlan will be based on the department and i have more than 40 depts. The issue is when i create flex profile then i add vlan mapping then i got 'The ...

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Resolved! Re: certificate of conformity C9300

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