Hello!Given the tool in the subject, short history, I wanted to upgrade from version 15.2.7E2 to E5, but the webui part was not perfect (attached image). Then I thought I would revert back to E2 and now the device won't load. How can I fix the normal...
Forum Posts
Good morning,I have a new "out of the box" IE-4000-8GT8GP4G-E Network Switch. I'm following the express setup procedure but cannot connect to the switch. Browser never opens, step 9 of the enclosed procedure. Has anybody any experience with this type...
Can it be possible to form a etherchannel connectivity between to stacks i.e (between 3850 stack and 3560 horizontal stack) ?Is there a compatibility between 3850 and 3560 switches ?
Hi all,I am using Cisco Packet Tracer for about 4 months. Im using it to study about computer networking. yesterday, i tried to make a network topology with :1 server as DHCP server2 switches for each network2 routers, these will be used for frame-re...
If I have the following topology: R1[1.1.1.1]---------[1.1.1.2]R2[2.2.2.2] ------------[2.2.2.3]R3[3.3.3.3]----------[3.3.3.4]R4 1. r2 is an asr1k with ios-xe. 2. all routes have been statically created on each router. 3. network is stable and al...
Hi All,I was tasked to migrate our client's core switch from their Catalyst 4500 to the new 9500 series. The current setup is they have 2 physical switches installed on different Building (A & B), they also have an existing fiber link between buildin...
Hi - Is there a way to leak aggregated 10/8 from GRT to VRF? I have all different 10.x subnets in GRT but I want to advertise them as single 10/8 to a specific VRF. Is there a way to do that on C9500 platform specifically? If I create a static null0 ...
Resolved! switchport trunk allowed vlan
Why would you add a string like "switchport trunk allowed vlan add 200-201", instead of just adding the VLAN's to the configuration? full config interface GigabitEthernet1/0/12switchport mode trunkswitchport trunk allowed vlan 1,10,20,30,40,60,70,80,...
The scenario is as follows, we have 2 F5 appliances in cluster and 2 Nexus N7K series. Each F5 appliance consists of an LACP 2 x 10G fiber connectivity. Each LACP fiber connects to a different Nexus N7K switch. The thing here is that we are trying to...
Resolved! Technical Support Engineer
I have faced a problem with Catalyst 3750 recently, after we installed POE IP CCTV by about 2 months the switch suddenly crashed except only 3 ports which have the NVR and 2 cameras connected to. After the replacement of the switch with Catalyst 9200...
Hi,This error happened after I 'shut' and 'no shut' the ports. Seems Interface range command failed for GigabitEthernet0/17.I tried to 'no shut' the ports now, but it remains as administratively disabled or shutdown.Hardware issue? Cisco 3650-48-PS%...
I would like to know the meaning of each parameter output when the "show interface hardware-mapping" command is executed on the Nexus 9000 series. Especially "Block" and "BlkSrcID" ---------------------------------------------------------# show inter...
Hello, we have the following problem, when the IP source Guard and DHCP Snooping enabled, when the host is inactive and the record in the snooping table expires, the host cannot access the network when it is active again, while the record is still wo...
We have migrated our network to SLUP and upgraded our C9500 switches to IOS to 17.03.04. Our switches do not need to communicate with the SSM On-Prem server, nor do they need any licenses. One that was migrated had the following configuration. lice...
WS-C3850-12X48U 16.09.06Getting below errors. Before changing out the stacking cable the up/down between the two switches would eventually drop the Access ports on the switch. how do I determine which switches stack port is bad? 13:35:47.639: %STAC...
