Hi All,I have enabled UDLD on some LAG members that run over fibre, see config below.int eth1/1udld port aggressiveudld fast-hello 300errdisable recovery cause udlderrdisable recovery interval 30with the hello's set at 300ms i was hoping to get a tim...
Forum Posts
When I plug in USB cable, Device Manager Says: 'Cisco usb to serial adapter' but does not provide a COM port # to use in Putty ...Nothing is listed under COM ports...What might I be missing? should I be using something other than a terminal emulator?...
Hello folks!I have noticed strange behavior on Cisco Catalyst 9410R, when configure Etherchannel. There were two physical interfaces bundled in po20. After performing "no channel-channel group 20 mode active" command on each interface, they automati...
Will a Cisco IE-2000-8TC-G-E or a IE-2000-8TC-G-B with an IP Lite Software Upgrade only do EIGRP stub? The datasheet says that it does EIGRP (period). It does not say EIGRP stub only. Can you please clarify this for me? See the attached screenshot fr...
I am working on doing upgrades from cisco 3850's to 9300's. Why do the SFP's (GLC-GE-100FX) that worked in the 3850 not work in my new 9300? Is there a command line I can use? Or is it just a firmware/hardware issue and new SFP's must be purchased?
HiI have a mikrotik ccr1072-1G-8S+ with a S+DA0001 going to a CISCO 3750X installed with a C3KX-NM-10G module. I cannot get this to work though. The mikrotik detects the SFP+ connected to it fine, but the cisco wont recognise the SFP+ module connecte...
Resolved! Disable telnet and enable SSH
Hello, i need help to disable telnet and enable ssh on 3850 switch, aaa server not configred
Hi All,I'm looking at running dynamic ARP inspection (DAI) as well as IP Source Guard (IPSG) on our network. I understand DAI and IPSG both utilize/reference the DHCP snooping database/table. We don't utilize DHCP anywhere on this network, so is it...
Hi guys, I' m trying to configure MDS switches to genrate log in particular period of time. I have tryed to walk throught event manager and also scheduler but no success. Any ideas how to achieve this goal ? Regards
Hi everyone, newbie here self studying. I was creating a lab for myself but I cannot for the life of me figure this out. I have a switch with 2 vlans (vlans 1 and 2), each vlan with 2 hosts, and the switch connected to the router via trunk port. Als...
Hi all,I can't get a combination of static and dynamic PAT to work for the following case:Router is connected to a /29 range of external IP adresses: 1.1.1.33, subnet 255.255.255.248I'd like to have machines connecting (regular dynamic NAT) from 192....
Resolved! No switch boot
Upgraded the IOS on a 9300 switch and I can't boot, because I deleted the old bin file thinking I was good to go as I've done with other switches. I have not network connect bootable url's in boot variable not found or exhaustedplease check the rommo...
Does any know how to find out if Packet Tracer logs any student activity to a central server or is everything kept on the local machine?Guillermo
Resolved! VLAN on WAN interfaces
You can see all the WAN interfaces. Can we create the VLAN at the WAN interface? How it's different from making the VLAN on switches? What is the difference between creating VLAN on switches or WAN interfaces.. Sorry for this dumb question. I am lear...
I have a question regarding implementing bpdu guard/filter on access ports in my network that also have Cisco IP phones attached and the phones have desktop PC's plugged into them. Does a Cisco IP phone participate in STP and send/receive bpdu's? I w...
