Hi All, has anyone experienced being under attack by DDoS through tcp/udp port 0? I have been under attack several time last week via this port 0. Different from previous attack which was through port123 or 1900 that i can block them, however this ti...
Hi All,Not sure if anyone also experienced the similar issue as i did. I'm having Cisco Catalyst with GE module (WS-X6748-GE-TX). I'm trying to limit bandwidth for a customer to 4Mbps but the bandwidth always exceed to 5Mbps or more than this. I've v...
Hi All,I'm a new MPLS learner and i've been trying to test a MPLS VPN in GNS3. Everything is working fine except i can't see MPLS label in traceroute result from CE to CE. However i'm able to see MPLS label when i do traceroute from PE to PE and from...
Thanks Rolf. I agreed that the bpduguard take its action until some change in network. I've just tested and got more understanding. Thanks for your reply and make me more clear about how it works.
Hi, has anyone had problem with configuring bpduguard on a switchport which belong to a root bridge switch? I've been trying to apply bpduguard on a switch port on which the switch is root bridge, and i noticed it doesn't work. Is this the characteri...
Hi Paul, Thanks for your reply. I've red the above link and a few others related topics, however i'm yet still not able to pinpoint the cause of this issue. I've also red below link and not sure if it is really the cause. I checked the switch interfa...
