We plan to use IPsec on 9300x and want to know what the best practice is to handle fragmentation. Should we do it on the 9300x at access or leave it for border routers? what fragmentation support is available on 9300x if any? documentation dont say m...
Forum Posts
Does anyone know if you can enable web management on the G0/0 management interface on a 9200? It's in the management vrf and routing is correct. I can ping and SSH to it from the same server I'm trying to connect to the the web interface from but i...
When I have configured this command crypto key generate RSA key was generated for 2048 but when I login to switch I could not see crypto key I could not find anything while my other switch already there.
Resolved! Effect of DHCP Server switch going down
Let's say I have a Cisco switch acting as a DHCP server. It's configured to save its DCHP binding database to flash. But the switch goes down and needs to be replaced. The switch is replaced soon, but the new switch has no knowledge of the DHCP bi...
Hi folks. A couple of months back, we updated our Catalyst 9200 switches to 17.06.05. This morning, I had to connect to the console on one; I was able to authenticate (it flashed up a login succesful log), but the console then looped back to the logi...
We have vmware environment but the network is getting dropped randomly on VM's. We have isolated the ESXi host without the office network and connected it to one PC to test and it's working and also working when we try to disable and enable the netwo...
Hello everyone,I'm facing an issue with rate-limiting UDP on a Cisco Nexus 6000. I'm trying to limit UDP traffic to 200 Mbps on port 53, but my configurations don't seem to have any effect. Here are the details of my configuration:ACLip access-list e...
Hi guys, After power outdage I begin to receive on one of my switch next logs:Oct 28 14:44:23 EDT: %SPANTREE-2-RECV_BAD_TLV: Received SSTP BPDU with bad TLV on GigabitEthernet1/0/52 VLAN138.Oct 28 14:44:55 EDT: %SPANTREE-2-RECV_BAD_TLV: Received SSTP...
Resolved! DHCP Scope 50/50 rule vs 80/20 rules
I have two C9200 switches acting as DHCP servers. Initially I had the network address scopes split in half between the two switches (50/50 rule). But then I read in many web sites that an 80/20 split is more resilient. So I put 80% of the addresse...
Hello togetherI have a problem where I slowly lose my mind.I have built a network in Cisco Packet Tracer. With access switches (2960-24TT) which is connected to a multilayer switch 3650-24PS and this is connected to a core router (2911). Since this s...
Hi Guys, I am not that familiar about Nexus devices but may I know if I do an upgrade in a two node nexus 9k cluster if both switches will reload at the same time regardless if my method is ISSU or not? Thank you
Hi everyone,We have a pair of Cisco CAT6807 in VSS mode and a pair of FG-1000D in active standby mode. I've connected the Switch and Firewall in LACP mode. But in each pair of portchannels one of the members will go in waiting state. I have same conn...
Looks like a service pack is being used - current 16.0.9 version.To upgrade I would just install another and/or latest service pack correct? Currently "show boot" points to a packages.conf, so would the new package be similar (I am used to pointing t...
am not able to add “ip igmp snooping querier” on my cctv vlan on 9606R to replicate the same config done on 6506E that we are going to replace with 9606R.Below is the error message I am getting. Kindly advise how to correct this. Below is the error m...
I’m wanting to simulate a network my company manages, so I want to lab a similar network to understand it. I’m trying to get ebgp to work between two routers (R1 & R3) separated by a router (R2) that only does static routing. There is more to the pro...
