Routing

Hi All    I have a strange one . I have an outside interface allowing only a few IP addresses inbound to a natted server. There is an implicit deny at the end  I have recently noticed attempts to log into this server from a random ( denined) IP .  Th...

Reading the SD Access CVD, I am trying to figure out if the SD Access enabled APs will do the VXLAN encap/decap of the wireless traffic themselves or will it forward it to the Fabric Edge Nodes to do the VXLAN encap/decap.     If the former, can thos...

i have more then 50+ switches. some of them is cisco 2960-l, 2960-i, 3650-i and some of them 3850nm we can successfully ping all of them or successfully ssh them. but there is one switch (3650-i) that switch we cant ssh or telnet , even we cant ping ...

Hi, we have 1 Gbps symmetrical internet connection. And we are planning to buy Cisco ISR4321, however in specs I read that aggregate throughput is 50 to 100 Mbps. Can someone explain what does it mean? Are we going to have 1Gbps or 50-100 Mbps at our...

Trying to wrap my head around proper config to ensure VoIP service when link becomes saturated. My WAN sites connect using GRE tunnels anchored to Loopbacks thru MPLS cloud.   In this example, I have a site whose bandwidth is 50 Mbs.   The site has 2...

Hi All,    This may be a remedial question but do you have to advertise a local network for the BGP peering to come up? I have very little experience with BGP. Thanks in advance! Best. 

Hi ALL,I have a question about bgp advertising prefixes back to the peer which advertised the route.I am using IOS version 15.2.My topology is very simple like this:R3---------------R1--------------R2R1 belongs to AS 1,R2 and R3 belongs to AS23.R2 ad...

Hi, There are two security license for ISR G2 router: Security E-Delivery PAK & SEC No Payload Encryption E PAK. Normally will use Security E-Delivery PAK, am I right? What kind of situation will use SEC No Payload Encryption E PAK? Thank you. BR, ...

hey everyone. once again i have a new problem , that our switches have show log that mac flap on multiple interfaces. in switches spanning-tree in enable.     : spanning-tree mode rapid-pvstspanning-tree portfast default we already found that there i...

Hi, Have anyone here tried or have any idea how to run one AS on top of another AS? I would like to use my current backbone network (AS1)and run another AS (AS2) on the same infra. example:physical========RA--R1--R2---RBlogical-------R1--[AS1]--R2RA-...