Dear Experts,We are using Linux Web server , we are facing for the last couple days SYN Attack on port 80 in this server.please see the log of my server. ( continue SYN Attack on port 80 ) 178.123.148.44:3852 81.103.102.106:80 CLOSING 1s...
I'm doing a bit of tuning on our QoS design. Cisco has a document called THE QoS BASELINE AT-A-GLANCE. This document states that the Scavenger class should be set as No BW Guarantee + RED. I don't see that this is possible or I'm not fully understand...
Scenario: 2851 ISR with 2 VWIC-2MFT-T1 installed, one in WIC Slot 1 and the other in WIC Slot 2. Controller T1 0/1/0 is a PRI Voice only, 0/1/1 is DS0 CAS. ?network-clock-participate wic 1? and select 0/1/0 first the 0/1/1 second. This is so they can...
Dear all,I create a vlan 10 and asign the port to this vlan (PCs are conneted to this vlan)vlan 10switchport interface fa0/1-5Does the command "switchport interface fa0/1-5" set the port mode to "access"?Thank you
Hi All,I have a VRF with number of routes originated from CE side. I want to do a selective distribution of CE routes with VRFs for two way communication. For better clarity, lest consider three VRFS : VRF-GREEN, VRF-RED and VRF-BLUE at PE. VRF-BLUE ...
Hello to all,I am trying to configure a QoS for my WAN. I have a cisco 881 router with advanced ip services. My problem is my wan comes from a cable modem which the router connects via a fast ethernet port. Also, the ISP provider guarantees a mini...
HelloI need help on this issue - I'm really at a loss.My company just bought a new 1811 Wireless router. I configured lots of stuff on it using CLI (that was quite interesting I must say!).I then configured wireless using Cisco Configuration Professi...
Hi,I'm having problems with the following config. I cannot work out how I am supposed to perform the natting.The BGP route is active as the default route when I type "sh ip route", and if BGP route is lost the floating static (default) route takes i...
We have some 1760 routers running C1700-IPVOICE-M 12.3(7)XR3. They have been operation for a couple of years with no issues. In the past few months, We have started seeing High Memory Utilization from our SNMP Management Software on a couple of the...
I need to set up a site to site vpn between 2 cisoc 1811 routers. My understanding is it will work something like this:There are 2 networks (A and B) A has an ip range of 10.10.11.xx and B has an ip range of 10.10.12.xx the site to site vpn will allo...
Hi I am having trouble connecting to the Internet. I can not ping either the ISP gateway or DNS or 4.2.2.2This is a static IP assigned by the ISP not a dynamic IP from ISP. ThanksI can get a IP address from the DHCP pool fine. I'm not sure what is wr...
Hi,after a couple weeks lab practice, today I connected one of my new Cisco 1811 router to an ISP ADSL line.PPP connect went fine, after that I ran a quick scan using NMAP on the router from the outside.Here is the result:PORT STATE SERVICE ...
Hi all,Question, below I made a setup for my Cisco 867 annex B router. My goal is to setup two VLAN's connection to the internet trough the same dialer. I'm not sure that VLAN2 (192.168.10.x FE2 and FE3) can connect to the internet trough dialer1. Di...
