I am facing a strange issue in which the same vlan host can't ping each other but when on the trunk it's pingable. even inter-vlan routing rule is configured on the firewall.ERP_Server------switch---trunk_link----switch-----PCwhen the server and pc a...
Forum Posts
Hello all,While replacing PoE antennas, I noticed that the switch no longer provide power to the various ports.Previously there were 4 devices connected to it and checking the logs I found this:Jun 21 00:39:54.011: %LINEPROTO-5-UPDOWN: Line protocol ...
With the sample diagram above:Red line = Internet AccessBlue Line = Port that setup to use by End userLight Green = Ports allocated for VPNGreen Line = Active connection to a remote Cisco AnyConnect VPN Server Is this do-able?
I am slowly decreasing my "Total Output drops" on the interfaces on my stacked Cat 9300s with the global command "qos queue-softmax-multiplier xxx" I started out with 300 and have been jump up by 100 and I am at currently 900. There is only a few int...
Hey Everyone!I accidently factory reset one of the switches and used command "factory-reset all" instead of just a config. Now I lost the software image in the flash/: and lost all the pkg files inside the flash.how I can recover the software image f...
I have two ASR with a GRE tunnel connected to another ASR. I am looking for a failover solutions to where when one ASR goes down the other takes over to keep the GRE tunnel up and have little to no downtime.
Resolved! Restricting VLAN Access
Hi All, I have 2 vlans say 50 (172.20.50.x) and 60 (172.20.60.x) and I want them to be accessible by following ip address from other vlans: 172.20.70.7 (Vlan-70) 172.20.80.8 (Vlan-80) Also i want vlan 50 and 60 hosts to be able to communicate to all ...
Resolved! Unable to login to Catalyst 9200 via SSH
HI, I am setting up some Catalyst 9200 switches (my first time ever with Cisco kit from scratch), and am having issues with SSH. It seems SSH is enabled by default using autoinstall, as I can get a connection and am prompted for login details, but th...
Resolved! Native Vlan Missmatch
BEFORE YOU READ ! THIS IS JUST A QUESTION FOR UNDESTANDING HOW THE VLAN WORKS , THIS IS NOT HOW NATIVE VLAN ARE SUPPOSTED TO WORK ! DONT DO THIS ON YOUR NETWORK !!!!Hello ,Okay so i am learning still for networking and i google everything that i coul...
Resolved! C9k EVPN to host with VIP
Cat9k EVPN network running 17.6.3. On one of my leaf switches I have a NetApp Appliance that has 2 management interfaces with static IP's with a VIP in the same Vlan.Pinging the VIP from the connected switch is fine. Pinging the VIP from upstream in ...
As the title states, after every reboot or power outage our distribution switch that trunks to multiple buildings fails after a reboot or a power outage. I will usually have to go in-person and console in and type in "boot flash:packages.conf" to bri...
Resolved! NTP configuration doesn't work properly
Hey!So I have a few switches of Nexus9000 C93108TC-FX Chassis having the version of 7.0(3)I7(3).I don't know where to look, I tried everything and they are set up exactly the same.But for some reason only one of them we can set:ntp server 0.site.pool...
Hi all! I searching for Kema 61850 certification for IE-4000 series. I can not find this document in Vietnam or in the Web. Can anyone send this document please.
We've setup a Synology with Adaptive Load Balancing on the Heartbeat-interfaces (I was told LACP is not possible for the heartbeat).We have LACP on the productive interfaces of the Synology and Cisco-switches C9300.But ALB causes permanent MAC-flappi...
Resolved! error message BPDU Port errdisabled
i got gollowing err in sh log of routerMay 9 13:39:42.441 PDT: %SPANTREE-SP-2-BLOCK_BPDUGUARD: Received BPDU on port FastEthernet4/21 with BPDU Guard enabled. Disabling port.May 9 13:39:42.441 PDT: %PM-SP-4-ERR_DISABLE: bpduguard error detected on ...
