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Hi, i've got a problem regarding IGMP DDoS Attacks: (tcpdump output) 10:39:59.608340 55.178.227.218 > xxx: igmp-4 [tos 0xf,CE] 10:39:59.617338 136.232.158.203 > xxx: igmp-6 [tos 0xc] 10:39:59.626267 70.114.236.149 > xxx: igmp-7 [tos 0xf,CE] 10:39:59.635194 190.12.41.19 > xxx: igmp-4 [tos...

Hi, i've got a question regarding vlans on the 4924. This is the problem: We have a Cisco router, which connects via GigE to the 4924. The 4924 acts as a Coreswitch, connecting serveral smaller Cisco 2950 switches which connect the clients. Our current problem is, that there are alot of...

Hi, does anyone actually use the 3550-EMI for routing? I would like to know whether a) this works b) how much throughput the 3550 can do on routing c) this is a good idea Is there any router (36xx?) i could compare the throughput to? Thanks, Jonas

Heya, i am having some strange broadcast traffic from my 2950T with latest IOS (Version 12.1(13)EA1): (feteched via tcpdump) 05:25:53.349834 0:c:85:7b:9f:c1 0:c:85:7b:9f:c1 9000 60: 0000 0100 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000...

Hi, i just got a 3550-EMI and want to QoS limit the bandwidth on some ports. Heres my setup: Port 1 Uplink Port 2 to 48 Servers All Ports are in Vlan1. IP Routing is DISABLED. (Background Info: The switch should limit the customer servers to given bandwidth limits that they purchased.) I...

Hi, i got a strange problem. As far as i know cisco acl parses the acls from top to bottom and stops on the first match. Well, right now i have the following acl: access-list acl_out deny ip any 80.131.0.0 255.255.0.0 (hitcnt=0) access-list acl_out permit tcp any host 81.2.x.x eq smtp...

Heya, i am rather new to PIX, i just got a 525 temporary from a friend. The scenario: Network X.X.144.0/24 Outside world gateway: X.X.144.254 Inside hosts: X.X.144.* What i want to have: Pix allowing all inside hosts to connect to outside world and otherwise. I want to allow all connections...