How do we Use Regex with BGP? - Cisco Learning Network
_65200_ - Find prefixes that have passed through AS 65200 ^$ - Find prefixes that are locally originated (they have no AS-Path yet) That's just a few examples of what we can do with …
routing - iptables NAT-ing multiple clients requesting service to a ...
Apr 3, 2025 · We have an E device that sends a request multicast (239.1.2.3) UDP to port 17225 in network netE. The replier listens to the multicast address request, and replies with unicast …
Switch MAC Table Forwarding Question - Unicast Frame Being …
Aug 7, 2025 · If a switch has the mapping in the mac-address table, it will forward a unicast out the associated port (assuming it's in the same VLAN). If the mapping is not in the mac-address …
linux - How to DNAT Broadcast Packets - Server Fault
So far I have learnt that IP-tables can only DNAT unicast packets and it does not DNAT broadcast packets. I am looking for a software that can listen for these broadcast packets on Ubuntu or …
Having trouble understanding Unicast Flooding - Cisco Learning …
Hello. I think I don't understand unicast flooding. Here's the exhibit with some text (taken from Unicast Flooding in Switched Campus Networks - Cisco): The explanation of this exhibit is that …
arp - Switch behavior on unicast packets when the destination is ...
Jun 18, 2014 · Switch behavior on unicast packets when the destination is unknown Ask Question Asked 11 years, 7 months ago Modified 11 years, 4 months ago
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Strange: why does linux respond to ping with ARP request after …
12 I (and a colleague) have just noticed, and tested, that when a Linux machine is pinged, after the last ping it initiates a unicast ARP request to the machine that initiated the ICMP ping. …
Chapter 2 - Segment Routing - Configuration VPNv4
On R1 show bgp vpnv4 unicast vrf BLUE show bgp vpnv4 unicast vrf BLUE 107.107.107.1/32 On R9 show bgp vpnv4 unicast summary On R7 show route vrf BLUE traceroute mpls multipath …
What is "anycast" and how is it helpful? - Server Fault
If unicast is you going to a single person, and multicast is you going to several, and broadcast is you going to all people, then anycast is being schitzophrenic and having multiple personalities …