Cisco Catalyst 6500 Series Switch Denial of Service Vulnerability (CVE-2015-0771)Cisco Catalyst 6500 Series Switch Denial of Service Vulnerability (CVE-2015-0771)
Release date:Updated on:Affected Systems:
Cisco catalytic
a very important application, which will prompt the IT team to rethink the Network Design of San Jose headquarters. Network convergence-transmitting data and voice over the same network-will save Cisco's long-term expenditure and serve as a platform for future development. However, in the short term, it will put heavy pressure on a diverse platform that forms the Cisco network infrastructure.
Cisco Catalyst 6500
Cisco's flagship Switch replaces the new brain with the new IOS software modularization to bridge the "operational gap" between IT talent and network service needs ".
On April 9, August 29, Cisco Systems announced the launch of a number of software improvements based on Cisco Internet Operating System IOS. These improved IOS software is mainly used in the Catalyst 6500
any time. "-- Dave Rogers, senior IT network manager of American Century Investment
"By using Cisco IOS software modularization and high availability features on our Catalyst 6500 switch, we can now use targeted software patches to reduce operating costs while improving network availability. Because we do not need to restart the
Overview
This product announcement focuses on Cisco®Catalyst®Cisco IOS on 6500 series switches®See Figure 1 ).
The Cisco Catalyst 6500 series, modular with Cisco IOS software, improves operational efficiency and minimizes downtime through continuous evolution of software infrastructure. By running the modular Cisco IOS
Cisco Catalyst Switch configuration and maintenance method. Today's Catalyst Switch topic discusses the introduction of the History st6000 series and the introduction of the Catalyst Switch 5000 Series. There is no difficulty. Hur
Tags: Baidu search switch public Cisco errorCISCO 6500 Series SwitchesiOS version: Version 12.2 (SXJ)Exception logs for Cisco 6500 series switches: NRGYZ:ERROR:Database uninitialized, in addition to watching device performance, when viewing the history of device CPU usage, will find that the CPU is a lot of time to go to 100%!!!650) this.width=650; "title=" CPU U
system, in addition, even when a worm occurs, we need to take measures to minimize its impact and protect our network infrastructure to ensure stable network operation ..
This article describes a unique solution on a Cisco Catalyst Switch to prevent the harm of worms in a very economical, effective, and scalable way.
First, we need to understand the abnormal behavior of the worm and have the means to detec
LAN switch full contact for you to explain the Catalyst series, about Cisco LAN switch maintenance and configuration application skills. This article mainly introduces the basic maintenance of the megast6000 series, Catalyst5000 series, Catalyst6000 series, and Catalyst5000 series.
LAN switches have evolved from a HUB-based LAN shared in the traditional sense to
in the Catalyst switch, but is not valid for multicast traffic.
3550-1 # conf t
3550-1 (config) # mac-address-table static 00-90-F5-10-79-C1 vlan 2 drop/drops traffic on the corresponding Vlan.
3550-1 # conf t
3550-1 (config) # mac-address-table static 00-90-F5-10-79-C1 vlan 2 int f0/1/discard traffic on the corresponding interface.
As network security becomes more and more important today
Ethernet switches are still commonly used. So I studied the comprehensive performance of the Catalyst 2950 remote Ethernet switch. I would like to share with you here, hoping to help you. Cisco's long-distance Ethernet switch can leverage existing copper infrastructure to meet high-bandwidth application requirements. Catalyst
Catalyst 4000 and Catalyst 5000 of the Catalyst Switch series (Catalyst 6000, running CatcOs) support some form of authentication, starting with code 2.2. Added the latest version. TACACS + (TCP port 49, not xtacacs udp port 49), remote access dial-in user service (RADIUS),
Describes the overview and configuration methods of the Catalyst 1900 switch, the introduction of the Catalyst 1900 switch and the configuration of the Catalyst 1900 switch. The following describes the configuration of the
Catalyst Switch Security ConfigurationThe security configuration of the Catalyst switch is to prevent potential network security risks. We recommend that you take the following measures on each cisco device: 1. use enable secret to configure a strong password. Select a password that includes letters, numbers, and speci
Found that Cisco Catalyst Switch reboot is always in rommom mode, the system reboots when the Confreg command chooses the startup mode of 1 (starting from the first file) and cannot enter the normal interface.
Enter to boot:
0 = Disable Autoboot
1 = the internal flash device
2 = commands specified in ' BOOT ' environment variable
[2]: 1
The analysis suggested that the iOS file might be corrupted or pu
1. Unplug the power cord of the vswitch, press the switch Mode button, and re-plug the power cord of the vswitch. Release the Mode button after the LEDs on Port 1x are off.
2. For the Catalyst 2940/2950 L series:
Unplug the power cord of the switch, hold down the Mode button of the switch, and re-plug the power cord of
The article I want to share and configure VLAN on Linux through Cisco Catalyst Switch.Requirements:1. Linux installed on a PC with one or more NICs (Network Interface Card). I Use the Centos 5.4 using 2.6.18-164.11.1.EL5PAE kernel. It should is applicable on other Linux distros such as Slackware, Ubuntu, Fedora, Debian, etc.2. Cisco Catalyst Switch 29503.2 Pc/lap
If the switch login password is forgotten, don't worry, as long as you have a PC, there are similar HyperTerminal (Hyper Terminal) This is a terminal program, connected to the switch console port, then the password recovery is n simple.
1. For the Catalyst 2900/3500XL series:
Disconnect the power cable from the switch
A Cisco 4506 switch in the user's actual environment could not log on, and the system could only be cracked because the maintenance staff did not remember the modified password.Environment:Cisco Catalyst 4506E switch, engine for WS-X45-SUP8-E, system version is cat4500es8-universal-mCrack steps:To restart the switch, p
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