Hi guys, i just want to share with you my last days experience.Some lammers were doing ping of death against my router, so my router cpu drive crazy and routeing was dead. so what i did: 1 be sure you don't have "no ip route cache".... this stuff is ...
Forum Posts
Hello, I have to create a guest VLAN which must not reach any other VLAN but Internet. Let's say VLAN 77 it is VLAN 77 [10.77.0.0/24] My question is: For an SVI the access-list direction should be IN or OUT in order to accomplish the goal, and why?ip...
Hello, I am trying to ping PC4 with PC0 but I can't. What should I do?In this network, I have to simulate 2 devices as a single device because the ports are not enough. Also, I need to connect switches to each other with OSPF. That's why Multi switc...
I'm basically seeking advice from someone who might have followed or observed the progression and aging of Cisco's cert guides and the whole environment. I'm worried that since it's only the first edition of encor 350-401 (which is not cheap) that it...
I have the IOS firewall enabled on a C891F router - IP inspect. Its all working, however I have hit an issue with a specific destination IPv4 address that bypasses the inspection and doesn't create the state for the returning packets.I have masked t...
Hello to everybody i was trying to compare "ip verify unicast source reachable-via rx allow-default" vs "ip verify unicast reverse-path" to apply it on the dialer interface on a cisco 897 configured with vdsl line connected to an isp which one is the...
I would appreciate an example config of how to setup the router without NAT. I found this was possible when I had a PIX 506E but cannot seem to get it working on the ISR. Steps so far.The internal LAB is a /24 subnet of public IP addressescreate a vl...
Resolved! ASR port goes down itself
Hi, we have Cisco ASR1001, but when we try to bring up this port - it goes down itself. what could be a reason?(config)#int GigabitEthernet0/0/5(config-if)#no shut(config-if)#Jun 2 08:15:47: %IOSXE_LICENSE_POLICY_MANAGER-2-LIC_REQ_FAILED: LIC_REQ: 0/...
The following is an access method being followed to access endpoint switch/Routerwindows laptop --SSH-> Linux Jump server --SSH ->Cisco Switch/RouterCan someone help with a Netmiko python script?
Hi Everyone - thanks for taking a look.I have a conundrum.. I have the following situation (refer to diagram below);I am joining 2 different networks (blue and green), both are private networks. The green network internal routing is done by OSPF. The...
Resolved! Clock not syncing with NTP server
I am having issues with 3600 and 7200 routers not sysncing with NTP server. My NTP server is working fine as I have other devices syncing to it. The 3600 and 7200 routers can sync to public NTP servers on the internet but cannot sync to my internal N...
Hello everyone, Would appreciate if you guys can help me out here. We have some third party employees that remote-VPN via Anyconnect on 5525-x firewall. They are NOT part of our AD. We are looking to deploy ISE in our network and looking to authentic...
Hello, I'am employed at a AV Installation Company and for one customer we have installed a Audio- Video & Lighting System. Therefore we needed a network and we have installed several Cisco SG350 switches, which were connected to the circuit via opti...
Take a router with both eBGP and iBGP: According to the best path selection algorithm, if we set local pref higher on the neighboring iBGP router, we can make some of the iBGP routes preferred. However doesnt it conflict with the rule of the admin d...
I am trying to port forward sip and rtsp ports on an ASAI've created my service ports but I have no way of creating the necessary NAT statement to include the object group.Here's what I have so far: object network Voice_Serverhost 192.168.1.31nat (in...
