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Hello, friends!I need your help because I am unable to understand on my own where the problem is.Long story: Subnet 188.241.240.0/24 was used via BYOIP with OVH (AS16276) in Germany even though it was still routed via my ASN 57403 from Romania where ...
I have a Cisco WS-C4948E switch connected with two ISPs through which I establish a BGP session that announces each IPv4/IPv6 subnet.The switch is connected to GigabitEthernet1/1 port with a QoS of 150Mbps and represents the connection with ISP1 and ...
Hey!I'm trying to filter all the traffic for a subnet that I announce via BGP session.Configuration:- a switch L2+L3- a server connected to the switch through two different ports- three vlans: ISP1, ISP2 and serversIdeally, traffic coming from ISP1 a...
Hello, friends!After about half a year ago you taught me to correctly configure a BGP session through which I announced my two subnets through the two ISPs I have at home, the time has come to complicate the architecture.I want to stop the BGP announ...
Hello!I have a Cisco WS-C4948E on which I have a BGP session with a public subnet advertised on the Internet and another internal subnet.The iLO interfaces of the servers are connected to this switch to public IP addresses protected by access lists, ...
For some reason, those deny rules do not fire:no ip access-list extended ACL-INFRASTRUCTURE-IN
ip access-list extended ACL-INFRASTRUCTURE-IN
deny tcp any any fragments
deny udp any any fragments
deny icmp any any fragments
deny ip any any fragmen...
Created a monitor and dumped traffic with tcpdump in Linux.Many packets with random IPs on port 53.Someone spoofing my subnet and my network receive answers for those fake DNS requests.
Thank you for your insane fast answer!#show platform health
%CPU %CPU RunTimeMax Priority Average %CPU Total
Target Actual Target Actual Fg Bg 5Sec Min Hour CPU
RkiosObflMan 0.50 0.0...