I just created a vlan, assigned it to a port on our 6509, assigned the vlan an ip address and when i shoot the command, show int vlan 31 it says that the vlan is administratively down. I can't figure out whats going on here? i issued a no shut, to no...
Forum Posts
Hello,i was successfully deploying Nac configuration on all my switches when i encountered i problem with the new authentication display config-mode on a WS-C2960X-48LPS-L 15.2(7)E4:SwitchplanA#authentication display config-modeCurrent configuration...
Is there something different about configuring SSH on a 9407 with a C9400-SUP-1? Currently there's no configuration on the device except for an IP address on the management port and ssh. I've gone through the same procedures we've always used and v...
Hello,I am still considering wheter to deploy Catalyst1000 or CBS350 switch at our small office(15-25 devices).Switch have to be configured with multiple SVIs and DHCP server pools for each + few static routes.I would like to secure MGMT access to th...
we had a daily-basis ip conflict with dhcp server on cisco switch 4506E specially after replacing some the users' ports or a user using the laptop and moves alot, the ip conflict is detected using GARP method.note: the user could try multible free IP...
My Cisco Nexus Swith 6001 is stuck in bash mode and giving below error.system is coming up.....please wait.......This issue happens after power outage happened. We have reboot switch many times and used multiple username/passwords but its not appeari...
Hello Members,We are refreshing 2960 hardware with 9200 switches.We have the below mls qos configuration on 2960 switches2960 Global configuration :mls qos map cos-dscp 0 8 16 24 32 46 48 56mls qos srr-queue output cos-map queue 1 threshold 3 5mls qo...
Configure StackWise-Virtual to configure the Mgmt port as shown in the picture.However, sometimes I couldn't communicate with the Mgmt IP, so I monitored it.Normally, the MAC comes from MGMT L2_1, but when communication is not possible, the MAC comes...
Resolved! Vlan trunk protocol vs IP protocol
I got a doubt about trunking protocol on switches which puts in communication different vlan, and a L3 device with its gateway IP protocol <span;>which puts in communication different networks.1st. QuestionFirst of all even if maybe is a silly quest...
Hi to all,i am facing a strange issue with poe devices on a Cat 4500 with SUP7L and the WS-X4648-RJ45V+E card.When we disconnect a poe device from the switch and we plug int again , the device gets in power deny state.And if we plug this device to a...
Resolved! Single VLAN can support multiple subnets
Hi all,I was reading cisco book where it says Sinle vlan can support multiple subnets.Because switch ports are configured for vlan number only and not a network address any station connected to a poprt can present ant subnet address range.if someon...
I have a less then a dozen Cisco 3850 switches that I am working on. I need to configure 802.1x authentication. The issue is the switches are reaching out to Cisco ACS and I need to set up radius server to enable 802.1x. The Cisco ACS I found out ...
Resolved! Deleting MD5 or 96-bit MAC algorthms
I have been instructed to delete any weak MD5 or 96-bit MAC algorithms on all my switches. My current setup I have the following:hmac-sha2-256hmac-sha2-512 hmac-sha1hmac-sha1-96 Out of these which would be considered to be weak MAC algorithm?
Resolved! Routing rip issue
The routing table of router r2 and r3 aren't updating and their corrisponding hosts aren't able to communicate outside of the LAN. Hoping to get a reply asap..!
