Good day, I have a switch cisco ws-3650 -24ps-s which in rommon mode "switch:" I tried to boot packages.cnf but keeps rebooting. I tried to copy a new IOS version in rommon mode to flash: but I got a message which indicates an error "Read only fi...
Forum Posts
I am currently trying to upgrade over 200 2960x switch stacks. Currently I am using the 'scp' command due to issues with tftp via ipsec tunnels.I am using the following commands on my switch stack to a Linux server archive download-sw /overwrite /i...
Hi all,Can someone tell me "How RSTP handles when access ports get down, because RSTP don't send TCN BPDU to let inform the Root bridge"? TIA
So having a weird issue. Our netgear switches are showing a loop being detected on uplink ports. The uplink traces backup to our main server room on a cisco switch. If I do show log, I get the below image. I looked up the mac address in our meraki fi...
Hi, Wondering if anyone could shed some light. We have around 30 Cisco switches SG350X-48P. Due to on-going cyber security we are looking to update the switch firmwares. Unfortunately when I look for the firmware I am presented with different versi...
Resolved! Switch spanning-tree bpduguard enable
I am configuring 9200 & 9300 series switches. Do I need to define "spanning-tree bpduguard enable" on each access port or trunk ports? Is it a best practice?
I'm trying to get a handle on what's out there in the wild. So we have PCs that are connected to phones which then connect back to the switch. So voice is vlan 100. So in particular, port 1/0/48 was initially set as an access port when I came across ...
I am currently working with the Cisco C9200-CX-12 port on version 17.12.1, I wish to allow people who are not qualified technicians mount the switch and run a text file that would allow me to access the switch, however i need it to be as simple as po...
Product: ASR-920 router, How can we check in history, when these PWR modules(Power Supply Module) are offline and back to online? and which one is active and which one is backup power module..... Assistance pls NAME: "Power Supply Module 0", DESCR: ...
Resolved! DHCP Relay in Cisco Packet Tracer
Hi all, Im a beginner to CPT and i am hoping someone can assist me for an assignment coming up. I am having trouble configuring a DHCP relay from a DHCP server to a network consisting of multiple routers, with their devices on their own networks. The...
IS there a free tool out there to discover Cisco catalyst switches on the network? I know about FindIt but it is for small business switches only.
Hi community, I would like to add 2 more line cards on a existing virtual stacking switch consists of 2 9407r chassis. My question here is that I simply shutdown both 9400 chassis then add the 2 line cards and then boot them up again? Is any official...
I'm experiencing a stranger behavior in the Cat9500, on which I need to apply an ACL in the SVI interface to filter traffic from multiple networks. I have created an extended ACL and applied it in both directions (outbound and inbound) on the SVI, bu...
Hi, I just got an old WS-C2960X-48LPS-L which has the four SFP ports. Every spec sheet says they're only 1gb SFP ports but for some reason when I run sh version it lists "2 Ten Gigabit Ethernet Interfaces." I was surprised to see that and thought it ...
Is it good to have DHCP snooping configured on core switches or not. Just implementati DHCP snooping on access layer switches is fine?
