i am trying to write a event manger applet : action 0010 regexp "^.([0-9][0-9][0-9]):.:.DROP. ([0-9.]+).* -> .*" "$_syslog_msg" _knock_RegEx_Match _knock_Sequence_E1 _knock_Source_E1 action 0020 info type event reqinfo tag _knock_Tag_E2 action 0030 r...
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Hi AllWhat are the most popular routing protocols to use in the data centre these days for when doing Spine Leaf?Do most people use OSPF in the underlay and then BGP for VXLAN etc?Also, if you were to connect a campus network to the DC, does this nor...
Hi Two internet routers Version 15.5(3)S4b & ISR4431/K9.We have configured only : NTP server 132.163.96.5 & not enable any NTP services on both routers.But we are getting in tool : NTP services running on internet routers. Plz help Thanksmanse
Here are the configurations for each router Router with Switch2 (Left):enconfig tno ip domain-lookupint fa0/0ip add 172.16.1.17 255.255.255.240no shutdownexitint s0/0ip add 192.168.10.1 255.255.255.252clock rate 64000no shutdownexitint s0/1ip add 192...
hello , i have ASR1006 with esp100i configure it as pppoe server with freeraduis i have now more of 5000 clientbut the service is not stable , sometime user's have many time delay to connecting sometime user auto disconnected , and sometime not all ...
Has anyone created a test network in GNS3 based on cisco network devices, such as layer 3 switches? Would like to build a replica of my network, all cisco devices, to test out different theories outside of the actual network. I'm asking because I was...
Resolved! ASA 5516-X
Good morning everyone, I need some personal thoughts. Currently, I have a setup I've been working on. I had to redesign my network, after getting a new firewall this is how it goes. My modem, connects to my firewall which is configured to do the rout...
I have configured the EIGRP 200 in all routers and Auto-summary is enabled .But the Thing is all my loopbacks are summarizing as 145.1.0.0/16 as pointing to a null 0 .But all my Physical interfaces ip are summarizing to the 140.1.0.0/16 pointing to...
Hi everyone,I am having trouble setting up a l2tp access VPN on a Cisco 1900. The vpn goes up correctly, I can ping local router interfaces, but I cannot access LAN.I have the same configuration on a 1800 router working properly. vpdn enable!vpdn-gro...
Hello,I was wondering, how HSRP multicast [Hello messages] are routed.For example in HSRP vers1 [224.0.0.2] and HSRP vers2 [224.0.0.102].Taking some captures, I realized that HSRPvers1 has a TTL of 1 while HSRP vers does have a TTL value of 255.Does ...
My customer is having an issue (I can supply config if required) where they have a 1921 router with a LTE HWIC and the cellular connection is their only link. The issue is they want this to stay up permanently but it keeps dropping. I suspect that th...
Hi expert If I subscribe internet link 100Mbps from ISP, is that mean I can download maximum 100Mbps and upload maximum 100Mbps at same time?
Hi expert I would like to know about TCP 3-Way Handshake process.Let say I want to download some file from internet.So the TCP 3-Way Handshake only occur at first frame before I download the file or every frame until I finish download it?
Hi everyone, We have ASA firewalls which routes all private subnets (RFC-1918) to our Nexus-9000 switches. These switches have a default route for unknown traffic to our firewalls. We see that sometimes traffic is sent to unknown private subnets, whi...
Hello I'm looking some information in regards to Cisco ISR-4221 IOS upgrade & downgrade. It would be helpful, if you can share your experience & knowledge on the below points.1) ISR 4221 - Upgrade from IOS - 16.9 TO 16.12. WHICH sub version of 16.12 ...
