I am about to refresh an environment with about 40 vPC pairs of Nexus 9K. I am considering using the IPv4 Link Local addressing for the keep alive links: RFC 3927 - 169.254.0.0/16. This is because this range is otherwise unusable and unrouteable. Has...
Hi Everyone, Since two week, i work on new network infrastrucre. With RGPD plan we need to isolate somes employee so i use vlan for that. Overall the configuration work fine, but now i need to same similar setting with guest wifi. It's little bit c...
Is there a way to limit what advertisements are being sent to an EIGRP neighbor? The scenario is as follows. We are using EIGRP for dynamic routing between branches and home office. At the home office there is a connection going to a 3rd party co...
Hi All , I am currently working on a project where I need to migrate the routing protocol from EIGRP to OSPF in one of our company data center. There are around 100 network devices in the site which include both Cisco and Brocade , all the access la...
Hello community, I am struggling with problem with some CSR1000v for about 2 weeks now and since I think that I nearly tried and read everything I could on the internet, I will try to find some help here now. The situation is the following: To prep...
Hi i've hit a little bit of a problem, to do with an SCCM deployment, basically, option 60 ascii "PXEClient" is configured and boots all devices that use UEFI, however, some legacy devices are still requiring SCCM deployment, devices with BIOS's do...
Hi, Just noticed a weird behavior while making a change to the storm control values on a Catalyst 6500 switch. I have two Fiber interfaces that are bonded as a ether-channel. Cisco documentation states that you can only change the storm control value...
Hi, we are in the process of rebuilding our datacenter. we are planning to use Cisco 3650 switch (WS-C3650-24TD-S, with UNIVERSAL ios) will handle the L2 role (only vlan switching). HL Network Diagram is attached below. all devices have ha (two p...
Hi all, I am a Systems Admin attempting to harden a Cisco switch, so that said I am not a SME on Cisco switches. We have a Cisco 3172TQ and I am attempting to harden it using a STIG. I understand there are "features" on the NX-OS and when I do a "sho...
Hi,we configured broadcast storm control on our C6500. We would like now to add multicast storm control, but with another value (bigger) than for broadcast.The problem is when I configure multicast level, it changes automatically the value for broadc...
Hello, If I have 2 providers, and one device will comunicate uplink via ISP1 and dowlink via ISP2, will it be a problem ? Please see picture in attachement. Thank you.
Hi Guys, I am trying to upgrade to NDB embedded 3.6 on a Nexus 3538. When I try to run the activation script (python script) then it fails with 'no space on bootflash'. I have 850m free, how much space is actually needed? I have deleted as much as I ...
Hello, I'm new to setting up Cisco ASA and so ACL will be new for me too. The ACL is set up with rules for ports opened to specific IPs on my DMZ but I was wondering if I need to create an explicit rule for any any IP deny so that everything else not...
One of my wireless VLAN DHCP scope on cisco core switch is often exhausted due to Gratuitous ARP.Please help me to check what is the cause of this.
Hi, I am making BOM for the customer who wants to VDCs. The problem is i am confused because I am not sure whether N7K-VDC1K9 / N7K-ADV1K9 are needed or not. A customer wants to 4 Virtual Network via N7K with SUP2e, if so do I just select N7K-LAN...
