Is it best practice to disable ip domain lookup on switches and routers. I see the ip name server commands issued but should I also issue the no ip-domain lookup as well and why or why not?
Forum Posts
Good Morning,We started having this issue on our edge switch interface where we have our primary internet circuit :%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gi1/0/1: High number of events received on the port, please monitor th...
The comunity guide me that how Inter Dhcp pool addresses comunicate eith each other in cisco L3 switch?
I have one branch that connects to HQ via Fiber as a trunk connection. the branch have a user subnet that is unique only to the branch and the gateway is in my HQ core switch vlan interface and also the dhcp server for the users is in the HQ. I have ...
Hello everybody,Can somebody shed any light on this? Or even know who to alter this behaviour(filter, disable, etc)?I have a capture running on an ethernet interface of a 3640 with IOS c3640-jk9o3s-mz.123-14.T7.binCDP and keepalives are disabled, no ...
On a trunked port for a wap we enable a native vlan for non tagged traffic to be passed to the port which I understand.I have noticed on some non Cisco hardware that you can define the native vlan on a access port as well as a trunked port. So any no...
One of our Cisco 3650 switches rebooted unexpectedly. However, before rebooted the switch we could not log in to the switch. After rebooting it will show the Last reload reason: Critical software exception, check crashinfo:crashinfo_RP_00_00_20201128...
i need help here I already found 7 mistakes but there are still 7 leftCan someone help me
I see one of the ether channel member interface: Gi2/0/51 is taking more traffic and is showing incrementing packet drops. The other member interfaces are not having as high traffic and no incrementing packet drops. The load on all the interfaces is ...
Hi,I'm trying to remove "no pri-group timeslots 1-24 service mgcp" on a Controller T1 from a 2621MX Router IOS 12.3(11)T and i'm getting "% Remove layer 3 binding first". I can't really remember how to do this. If you guys knows the steps please let ...
Resolved! VLAN Tagging Issue
When I come from the VPN to the Management network I get the correct VLAN tag but when the traffic comes back I get the wrong VLAN tag. Do you know why this would be happening?172.x.x.x Network = VPN10.x.x.x Network = ManagementOn the L3 switch I am ...
SFP fiber to SFP fiber. Trunk ports, simple configuration. interface Ethernet1/35switchport mode trunkswitchport trunk native vlan 68switchport trunk allowed vlan 1,2,3,4,68 Same on other side. Both SFP fiber transceivers are lit, both have been conn...
Resolved! ERSPAN on C9200
Hi I'm trying to implement ERSPAN on a C9200 Switch. This command reference seems to suggest, that this command should be available:https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9200/software/release/16-10/command_reference/b_1610_9200_c...
With these new Cisco 1100 TG terminal servers, I have been stuck on this for weeks troubleshooting and trying different configs. Have reviewed dozens of online forum posts and technical notes. Console sessions hang after entering SSH password. It jus...
Hello!Today I noticed that I'm getting the following log message from the last couple of days:%HTTP-4-SERVER_CONN_RATE_EXCEED: Number of connections per minute has exceeded the maximum limit(250)as specified by the platform. Last week, I updated a co...
