Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...
Is it at all possible to disable the mode button on front of switch? Or any ideas as far as boot parameters to configure help load a config. file when the mode button has been held for 10 seconds and reinitilize NVRAM and losing startup-config file. ...
Is there any posible solution in allowing certain mac-address in vacl and denying everything? ..
Welcome to the Cisco Networking Professionals Ask the Expert conversation. This is an opportunity to discuss Catalyst 6500 Series switches with Cisco expert Jeff Raymond. Jeff is a Technical Marketing Engineer for the Catalyst 6500 Series of switches...
Can anyone tell me why a laptop with MAC 000c.f13f.230e wouldn't pick up the DHCP info from this pool?ip dhcp pool bad host 172.16.24.123 255.255.255.0 hardware-address 000c.f13f.230e default-router 1.1.1.1
Hi.Somebody knows if there is a problem with the 3560E doing the policy base marking or I am doing something bad in the following configuration:=====8021q======>(marking and PBR------VLAN INTERFACE-------)>=======PORT-CHANNEL3=========> TENGIGA 0/1--...
Hi there,I am trying to establish what model of Cisco 4948 I have. Whether it's the the standard WS-C4948, WS-C4948-S or the WS-C4948-E. The "show ver" lists the model as WS-C4948 however the unit has dual power supplies and is running the Enterprise...
Hello,I have managed to setup our routers so they use my Active Directory user account to logon I followed these instructons:http://www.blindhog.net/cisco-aaa-login-authentication-with-radius-ms-ias/These instructions give me privilege 15, does anyon...
hi ,can anybody give me the steps of 3725 ios upgrade procedure?/thx
Does anyone know the command to add an arp entry on a core switch?
Hi there,I currently mark traffic on my access layer edge switches then trust this traffic on the ingress interface on the distribution switch.However, I also want to mark radius traffic being generated by the access layer switch. As far as I can tel...
Requirements:1. RT-A and RT-B can be setup for HSRP or GLBP groups, or IGP routing on the LAN side2. Voice traffic (i.e rtp streams) must be transported symetrically through RT-B<>ASA-B3. If RT-B<>ASA-B VPN goes down - then traffic should failover...
I would like to set up a Cisco 3750 for ghosting on our LAN. The switch would only be used for imaging and configuring. Is there anyway to block the multicast traffic from flooding the rest of the network ?
HiI am facing a prolem my cpu utilization goes high intermittenlymy router has ios : c2600-ipbase-mz.123-26.binModel: cisco 2621XMplz find the" show pro cpu" its show 99% , also plz ignore the virtual exec process as this i have used to generate the ...
Hello,I would like to implement DHCP snooping function beetween a cat4510 (name switch A) with one DHCP server connected to it (vlan_dhcp_server) , and an access-switch (name switch E, DHCP client on vlan_dhcp_client) also connected throught several ...
Planning an install with Nexus 7000 chassis on a 4-post rack. However, may need to mount the chassis jutting off the front rails.Does anyone have information on the positions I can change the mounting bracket rails on the chassis to? 3 inches back?...
