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Hello,I am working on an ISP and we have given the opportunity to our customers to send us a special BGP community when one of their host is under attack (blackhole community). We then match this community, we route it to null 0 and in addition we ad...
Hello to eneryone,is it possiple to configure two or more netflow destination in cisco xr? I want to send the stats to possible servers but on IOS (and the version I run in some devices) multiple destinations are not an option.What does happen at XR ...
Hello,I have a Layer 2 network with more than 10 switches with 7 different VLAN IDs. We plan to install a teleconferrencing system between 4 of the location in the network. I plan to put the related hardware (cameras, videoconferencing terminal etc) ...
Hello, I was wondering what is the difference to use a directional antenna instead of an omni if the total EIRP is the same?I mean that if you calculate the free space loss tha same RSSI will be received by the client if the EIRP is the same in both ...
I can understand the answer but I have my doubts if the process is right. The first criterion for installing a route into routing table is the prefix length and the next one is AD. So in this case you have these regarding the same exact prefix:
- O...
Hello,is there the necessary routing information for the switch to return traffic to the PCs/Servers?Another possible cause could be an ACL. Enable debug ip icmp at the switch and check if the pings from the PCs arrive. If yes then check the routing ...
Hello, regarding the scenario depicted you have to make the fa 0/1 ip dhcp snooping trust.All the other links are assumed as untrust. The dhcp snooping has nothing to do with authenticating users and permit specific IPs that has its in binding table...
