Resolved! C6880 for GNS3
Hi all, Does anyone know if it is possible to utilise a C6880-X Switch in GNS3 please? Thanks
Forum Posts
Resolved! Dynamic Arp Inspection Limit Rate
I enabled DAI on my company network and am coming across ports getting shut own due to ARP packet rate exceeding the default xyz rate I set it to. Is there a recommended safe limit rate range I could set the unrusted ports to? I originally went from ...
Hi, can anyone advise whether it is saft to run debug commands "debug platform software memory <process> <R0/R1/RP xxx > alloc callsite start " and "debug platform software memory .... alloc backtrace start " ? on c9407r switch?we saw the error log...
Hi Team,How can i block SSH through access list ?Could you please provide me step by step configuration ? Thanks,DD
we recently updated all of our switches from essentials level to advantage level. the same steps regarding activating the license, performing wr mem, and reloading were completed on all of the switches. the vast majority are just fine but a small h...
Catalyst switches stated sending TFTP read reqests to 169.254.192.201, a non-routable address. No config changes. Anyone seen this before?
Resolved! Vlans and IP addresses
New to networking and am trying to understand something. I have a switch on vlan 10 and I setup a trunk port to configure a new switch that will be on vlan 30. How do I configure my vlan 10 switch so that it will see vlan 30 as well as the new swit...
Hi,I am looking for some technical support on Cisco Catalyst 9300 24 port switch.I am using the 9300 switches to form 2 physically separate ring topology networks. I need downstream devices to have connectivity to both these networks for redundancy p...
Resolved! C9200 with NM-4X
Hello all,I have a stack of C9200-24T with NM-4X modules. I have a couple 1G SFPs installed and in the running-config I can see G1/1/1 - G1/1/4 and T1/1/1 - T1/1/4 so I figure I could use G1/1/1-G1/1/4 since I have 1G SFPs. But then I run "show int s...
help me I can't access my cisco router.after enabling ssh and authentication, i forgot to enable authorization on the router.when I connect to the router and want to switch from "user exec mode" to "privileged EXEC mode", I get this error "% Error in...
I ran C9300. There were "BOOT FAIL:N" errors occured when i powered the switch.And, system LED was blinking in Amber color.I changed the power module and fan module but, it was not problem.What should I do??Help me, i only have been worked 1 week as ...
Hi everyone, The topology like below,The switches and routers in the diagram all have OSPF connection.R1,R2,R3,SW1 are in area0.R4,R5,SW2 are in area4 I got two WAN, WAN-A & WAN-B. When reaching destination 172.24.2.0/24, primary is using WAN-A. But ...
Hi i have a question,I have a single CBS350 switchI have a DHCP server sitting behind VLAN 2 with IP address 10.231.0.21I have clients sitting behind VLAN 32.Both VLAN interfaces have an ip address assigned.Am i right the only configuration i need on...
Hi there,Just a quick question, after changing the license level (network-essentials to Network-Advantage) on the cisco C9300-48UXM using the "smart reservation" method, does it need to be rebooted or will the new license take effect without a reboot...
Hey All,I've got 2 separate switch stacks that are having this issue in our network. When logging in through the console, I'm only able to login with our local login credentials to the master switch. Member switches give me a response of "Tacacs sess...
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