Hi. I could use some help getting SRTP working on the WAN call legs of SIP trunks between two two CUBE virtual routers (c8000v with Network Advantage licenses, and IOS-XE v17.10.01a).  Note that I would rather not use SRTP on the internal call legs b...

I am attempting to perform simple ACL-based packet filtering on a Cisco ESS3300-based (ruggedized) switch that is running IOS-XE version 17.06.02 (network-advantage feature set).  The switch allows me to configure SVIs, and performs inter-VLAN routin...

I'm looking for ideas on where my TCP handshakes might be going in this lab topology: [Web client] --> [3650 switch & VLAN11] --> [4451 NAT router/dot1q 11 bridge domain/BDI 11] --> [Web server] The 4451-x is running IOS XE Version 16.06.05 (IP Base)...

Hello.  Bottom line is I'd like to speed up multicast convergence after topology changes in the network pictured below.Here is an overview of the situation:Two VLANS/subnets, with a pair of 3560 multilayer switches configured as ip (and multicast) ro...