Hello guys, i have a problem with our cisco 3850 when connecting a linux host. The host gets its IP via DHCP as supposed and works just normal as long as traffic is caused on the network interface. After 10 minutes waiting and no traffic is caused ...
Hello, I am running a '15.0(2)SE2WS-C2960S-24PS-L '. Tacacs is configured identically to other switches in my inventory. The problem is, when I log in, there is a big delay waiting for the password prompt. Then when I do enter the password, I am deni...
WE have been working on setting up vlans to divide our network up. On our Catalyst 9300 switch I have 5 vlans created and 5 SVI for routing between vlans. All our endpoints are connected to Meraki switches. The Director of IT wants to control at t...
Experts, I have Cisco 3750 and have vlan 111 created with name WAN_VLAN, assigned ports gi0/1 - 5 and that works well. In that way, I have separated these ports from others and I can use them for WAN purpose. Here is the other part. I need to be ...
Hello dears, I would like know if the Catalyst 9K switch series (9300/9400/9500) supports the OpenFlow protocol. This switches can be managed from to a central controller? I looking for that and found the Cisco DNA Center. But what is the protoco...
Hi Is it possible to use multiple vty access list to control access to the router on different vty instances ? Example use standard access list 1 to restrict vty 0 4 and use access list 2 to restrict vty 5-6 We have this setup on multiple different ...
Hi All, Is Cisco LR (as opposed to SR) fibre SFP's recommended for virtual stacking switches together? Do I need to use single mode fibre or will multi work. Cheers, Jay
Dear all,I have a weird issue, I created a mac access-list with the list of all permitted mac addresses.It is working on all except one machine, once the access list is configured on interface, the connection drops.It is one of the ESXi servers.Note:...
Hi,I'm looking for many days some informations about the compatibilty over spanning-tree etherchannel guard misconfig and the new I.O.S 15.0.2 SE.This command : spanning-tree etherchannel guard misconfig, was enable before upgrade IOS in running-conf...
What is the best way to prevent any personal devices from accessing wired network from access switches Is configuring MAC-Based Access Control List by permitting only authorized mac addresses on cisco 3850 a good solution? Or any other. Ple...
We have connetced two 3850 in trunk with theree 2960 in ring network topology. And big question is. If is done on one switch configuration of NTP server. Can other switches take this adress from that one switch? And what is the best configuration o...
I want to filter OSPF routes within the same area. Distribution-list command is not available on Nexus 9k. Does anyone know an alternate option? Is it correct that Distributionlist command within OSPF is not available for Nexus 9k? Thanks
After configuring SPAN, Wireshark was able to read ICMP packets (ping traffic) on the destination port that was sent across the configured source port, using an older PC. However, another newer PC was unable to read the traffic, despite identical co...
Hello Community I am trying to implement what should be an easy configuration, but I am facing some problems. I just need to mark some packets from the hosts connected to my system. I have some C2960XR running 15.2(4)E6. working as layer 3 devices. I...
I have an RSP-440 PSEQ-CBC detected power sequencer failure. What to do in that case.
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