Do you know if any outage is expected when changing LACP rate from slow to fast?Any experience or information would be appreciated.Also please advise if there's any test environment lab to check this kind of configurations.
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Dear expertsGood day and I hope you are doing wellWe have some industrial cisco switches for CCTV connections for some reason we need to replace with switches for other brand,We will use 4-Port Ethernet and 2-Port SFP to complete the ring topologyOur...
Hi to alli want to be noticed that what happens when root bridge for a (V-LAN) fails and new root bridge elects what are the consequences in live network?I mean do we face link up/down and convergence time on the root port or the designated ports tha...
I can ping IP x.x.x.x from a Cisco router, but I am trying to figure out the path the ping packet takes from the router to the destination IP. Guidance is appreciated, thanks! sh arp | i x.x.x.xNo results. x.x.x.x is not in the routing table:show ip ...
Resolved! C9300 Stack OS Upgrade non-downtime
Hello.I am running a stack of 2 C9300s.The OS is using 16.12.14, which will be a problem when upgrading the OS later.I know that all switches are rebooted when upgrading in the stack state.SwitchingI thought of the following as a way to minimize down...
So came into remote office to find that for some reason connect to specific subnet over in remote site. Few weeks ago we've redone some of our networking and as part of that HSRP was put in place between 2 l3 switches, all worked fine and dandy. But ...
Hello,we will replace some old C6509 with new C9410.A lot of 1G fiber ports with optics are included and the customer does notrequire 10G. I was thinking reusing the existing optics GLC-SX-MM for the newlinecards C9400-LC-48S, however the TMG tool do...
Hello we will be upgrading a pair of C6807-XL, for a client.We will go for the ''Fast Software Upgrades'' since it's the safest upgrade and the VSS is not is full production so we can have small down time.Upgrading from 15.5.1-SY5 to 15.5.1-SY6.We c...
I have a network made up of Cisco 9300, 2960G/C/X/XR and a 3560CX. None of the switches are more than 7 hops away from each other and I can generally ping or SSH into any of the switches without a problem. I have been having issues lately with connec...
Switch runs RSTP (via MST setting) and it shows that one of its uplinks is in "BLK" status, as expected and another uplink is in "BKN", which is not expected and cuts this switch from the network. This switch runs with Aruba switches, which run RSTP ...
Resolved! Can i issue command "copy startup-config running-config" when i wanted to fallback to original?
I enter some wrong commands in cisco switch. But i havent saved (wr mem) Therefore I wanted to fallback to original state. Can i issue this command? Do i need to "wr mem" after this command? ahgd6763#copy startup-config running-config
Today i had several Loops in Customers Network and any Vlans were blocked because we had to change the Core from HSRP to VSS:So on bot the Distribution Switch, which are connected to the Core it looked like:------------------ show spanning-tree summa...
I have an Oracle DBA that is trying to connect to an App Server via an ESXi. When he connects to it to do his work, it will lose connection after about 10-30 minutes and he will lose his data.This is the physical connection:ESXi>>>>>>Cisco UCS>>>>>>...
We just received some Catalyst 9300 switches with StackWise-320 cables. The ports on the switch have a screw hole in the top center above the port. The cables fit into the port just fine and have a spring adapter/fitting that fits into nothing in t...
hey guys I am having issues to obtain the IP address on the vlan, the DHCP has been set up on the router without the use of the DHCP server, in total i have 5 VLAN which they been set up with the VTP domain which are showing correctly in the respect ...
