HI i have a similar issue, i want to allow only certain mac addresses from Voice Vlan going any where using acl and drop the mac addresses that are not defined in the acl, Ive tried mac acl with vlan access map and vlan filter list but it just didn...
Forum Posts
I have recently hit a vlan scale limitation FEX N2K-C2348TQ-10GE,which has caused some weird anomalies; 1. by using switchport trunk add vlan "X" on a host interface, it deleted all vlan configuration on that interface and applied the config of the...
Hello at all, I have two switches Cisco C3560 (Model: WS-C3560-8PC, Software version: 12.2(35)SE5, Software Image: C3560-IPBASE-M) and one Cisco ASA 5505. All three devices are in vlan 1 with these ip configuration: Cisco ASA: 192.168.254.254/24 SW...
Hi Team,I have cisco CISCO3945-CHASSIS running with "c3900-universalk9-mz.SPA.154-3.M3.bin" ios where I can observe the high cpu utilization. #sh process cpu sorted | ex 0.00CPU utilization for five seconds: 97%/95%; one minute: 96%; five minutes: 96...
Resolved! How to calculate encryption on bandwidth
I would like to know how to calculate the bandwidth for aes-256 encryption. it is only increase cpu usage when encapsulation process ?
I see in the release notes that the IE 1000 supports MST but there is now mention whether it supports Rapid-PVST or not. Does someone have the hardware and can check if other modes of spanning tree are supported?
Dear Guys, Last day i had issue while doing the vss on new 4507E+R switch with 2 Sup engines.After connecting eachother both cables was not up and neighbour switch not showing in cdp as well.then we put the command like hw-module uplink select tengig...
Hi Good People, How am i able to reduce power usage on this module? There are only about 8 ports in use. Is it as simple as shutting down the ports or will the Cisco 3945 that powers the card always send full power? I want to reduce power usage on ...
So experiencing difficulties loading new image on 4500 series switches. One issue, I want the top supervisor to be the primary not standby. ANyone know how to change this? Also, I did: no boot system flash (old image) boot system flash (new image) c...
After update IOS on WS-C2960X-24PD-L V03 from Version 15.2.6E1(ED) to Version 15.2.4E6(MD) and reload the switch, I got a message POST: ACT2 Authentication : Begin POST: ACT2 Authentication : End, Status Failed extracting front_end/front_end_ucode_...
Platform: Cisco Catalyst 9300 Hi, I have QoS applied to an interface. It shows 0 packets match on the class-map but counts on bytes output on both on class-map and queue stats for all priority classes are incrementing. I am not sure if my QoS is w...
So I have uploaded a new image and do the no boot system flash (old image) boot system flash (new image) but show boot still will show both images, but still old image is used during reload (copy run start before reload). I have tried the below to no...
I've trying to investigate a BGP flapping that showing different neighbors going down at different times. It seems like there's something causing the link to go down but I cannot make any sense of the logs or what they are trying to tell me. I'm go...
Is there any difference between these two other an what the PS was that came with them?? I always assumed I could take a 48P model and just swap out the 715 Watt and install one 1100 watt (or maybe 2 of them) and have the same dynamics and power av...
Resolved! 2960 XL and no L2protocol command
Hi All, I'm hoping to configure a port as a l2protocol-tunnel. I don't see the command available when using question mark on a switchport mode access port. Can a 2960 XL running 15.2 utilize l2protocol tunnels?
