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...
I've set up multiple interfaces (both access & trunk) on a switch with sticky learning like this:switchport port-security maximum 10switchport port-security mac-address stickyswitchport port-securityThe trunk interfaces also run 8 VLANs. The switch h...
we use supervisor module in 4500,6500 switch and 9400 & 9500 switch so what is its role?why do we have primary and secondary supervisor Module ?is it CPU?command to check its status or performance
Hello all and thanks for your time and expertise. I think this switch provides POE but can someone provide a definitive answer on this question. Thank you very much.
Hello .....I have 2960 switch and i can't access it using my console cable .I can access other switches in my network ( 3560 & 2960 ) but i can't access only this switch.may be the console port in the switch damaged? or it's a bug ?? !!! although the...
Hi AllI am about to upgrade a 3850 switch stack from 03.02.03.SE to 16.12.07. I know from release notes below on earlier version of 16.X you were required to regenerate the key pairs before the upgrade. However in the latest release notes, i noticed ...
Hi,I am trying to change the IP address on a Catalyst 2960G. I reset the switch and the default IP is 10.0.0.1, which pings and I can access it.I Telnet into the switch via Putty and enter the below commands:Switch#Switch#config terminalSwitch(confi...
Hi, we are currently rolling out a NAC product in our production environment and are running into a lot of devices that after configuring the switchport don't attempt to do any kind of communication on their own. Therefore, the NAC is unable to see w...
Hi Everyone, I have a FQDN object on our Firewall, the IP address of this changes daily so the firewall has a rule to permit access to it on a specified port number. Example:access-list inside_access_in line 284 extended permit tcp host 192.168.0.25 ...
