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Hello everyone,I configured GRE over IPSec in transport mode, and wanted to confirm the configuration. I was wondering, why do I see two ISAKMP SAs on each router? Shouldn't the ISAKMP SA be bidirectional? It seems like I have here two unidirectiona...
Hello everyone,I am just getting into network programmability and want to play with APIs and Cisco sandboxes.However, there are many illogical information like always with Cisco.1st Always On Sandboxes are not always on and must be reserved and initi...
Hello I just came across a Cisco config guide for HSRP and I was wondering what function does this etherchannel have.1. Is it a switched port-channel or EIGRP ?2.What does it contribute with to the network ? If DLS1 falils, his DLS2 will become defau...
HelloI suspect that there is some kind of a problem with CML. What do you think why is this happening ?There is no VTP and only VLAN 1. When I shut the lab down yesterday, everything was working as expected.It was IOSvL2-3-Root IOSvL2-3-3 was blockin...
It seems like I only see one IKE SA, after clearing it and IPSec too.Only difference from your proposed config is that I put "255.255.255.0" instead of "255.255.255.255"Is that ok?R1#sh runn | inc keycrypto isakmp key cisco123 address 200.0.0.2 255.2...
I removed the command and added 0.0.0.0 as peer:R3#sh runn | inc keycrypto isakmp key cisco123 address 0.0.0.0R1#sh runn | inc crypto isakmp keycrypto isakmp key cisco123 address 0.0.0.0After clearing the SAs, this is what I have:R1#sh cry isakmp saI...
Thank you a ton for looking into this!For some reason this command is not contained in show runnR1(config)#crypto isakmp policy 1R1(config-isakmp)#encryption aesR1(config-isakmp)#hash sha256R1(config-isakmp)#authentication pre-shareR1(config-isakmp)#...
Yes, I use these routes to match the interesting traffic:R1 10.0.1.0 255.255.255.0 tunnel 0 R3 10.0.0.0 255.255.255.0 tunnel 0I added the command crypto isakmp key cisco123 address 0.0.0.0But this shouldn't be the practice in production I assume? But...
