HiWe had a migration from an old firewall which has all vlans,dhcp,,, to the core switch which has same vlans but different ip range. I moved evey vlan with its ip to the core and it was a success. however, vlan4 and 12 does has some issues. i cant p...
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Forum Posts
Resolved! Packet tracer help
Hiya, so I have a problem with my network. the devices are not on the same network and I have used static for the server and dhcp for the rest of the devices however it seems to be always on the wrong network or subnet my gateway is 192.168.1.1 and m...
I have a 4507R+E device with two WS-X45-SUP8-E supervisor in a redundant mode, but some ports of the group are inactives. So we need the ports active to connect new devices that we need for the high performance of the network. Please help me to figur...
Resolved! RSTP IEEE 802.1w
How many switchs can a RSTP IEEE 802.1w can have in total? and any documentation ? Thanks
I have a fairly decent sized network with 100+ field switches connected through a pair of 9606. I have created a collector server for the RSPAN traffic on switch A. Switch B and Switch C are setup to send the RSPAN traffic to the RSPAN VLAN. I wan...
How can I enable Ip routing on a cisco routing c80000be? Router(config-if)#ip ?Interface IP configuration subcommands:access-group Specify access control for packetsadmission Apply Networ...
Hello We have a curious bug on a two C9500-48Y4C connected on 4 vsl link with QSFP 100G LR4.No errors on link VSL, no errors on Dad link.All work good for 3 hours or 1 day and sudunly the activ member become and stay removed by redundancy switchover ...
Resolved! multicast dropped
Hello,We are currently routing multicast traffic towards a router that is outside the scope of our project management tasks. Although we have verified that the traffic is reaching the router, it appears to be getting dropped at that point. We are usi...
Hi All,I just received two new C9300X-48TX which have optional network module C9300X-NM-8Y installed.I just cannot make sense of the port numbering and would like someone to explain me this.Switch has 48 Multigigabit (10G/5G/2.5G/1G/100M) ports.C9300...
Resolved! New suggested image for Cat9K
Does anyone know if there are new coming suggested releases for Cat9K instead of 17.9.6a and 17.12.4?
Hej Ciscoany datasheet on Subject?You can go anywhere with Catalyst 9000s and software-defined access - Cisco
Please let me know the process for configuring StackWise Virtual between two C9606R chassis, each with a C9600X-SUP-2 supervisor. I read in Cisco documents that the C9600X-SUP-2 supervisor does not support StackWise Virtual technology. What is the be...
Resolved! CBS-350 Port Speed Detection
Although not a problem, I've noted that on my CBS-350 the port speeds that are identified and published are 100Mbps, 1000Mbps and 10Gbps when interfaces to the SFP+ ports are being used. This is the case when the attached device is running at 2.5Gbp...
I've got a stack paired of C3850-24T's running 16.12.05b. Smart licensing is enabled, but not currently registered. The eval licensing is due to expire in a couple of weeks. I'd just like to ensure that there will be no impact. We're working in getti...
i have two 9300 switches "ver 16.6.6" in stack and im planning to upgrade to 16.9.5 , can anyone tell me if i can follow the process mentioned in the below site to upgrade?https://www.rogerperkin.co.uk/cisco/switching/3850/upgrade-software-cisco-3850...
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