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Questions tagged [cisco]

Cisco is a provider of switches and routers to commercial consumers. Cisco devices run IOS or NX-OS operating systems. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.

Cisco is a provider of switches and routers to many medium and large companies. Cisco devices often run IOS or NX-OS operating systems.

Since Cisco acquisition of Linksys, the consumer line of switches, firewalls and routers (which do NOT run IOS) have been rebranded under the Cisco name.

This tag is a generic tag - Wherever possible a more specific tag related to the product you are using should be used instead. For example:

, , , , ,

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trying to prevent ddos with cisco pix 501

I'm getting dos on a dedicated server with windows+apache, ive asked support to install a firewall and got a cisco pix 501, the attacks are on port 80 to a certain site, what can I do to block it? I thought of putting a cap on amount of…
tridant
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CISCO 3550 HW Crash

were facing 5 Cisco CAT 3550 crashes now, we send out configuration to 3rd party company CISCO Gold partner and did environment power checking with the server site, no clue as yet what would be the cause of these crashes. The password-recovery…
Syed
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Configuring a cisco switch to work with a single ISP

I have a 6500 connected to my ISP and to a server. I have a /24 from my ISP and a /30. I have a default route set 0.0.0.0 0.0.0.0 isp gateway and have assigned one ip from the /30 to the interface connected to my ISP and am able to ping google.com…
bleomycin
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Cisco Switches - find parent/uplink via SNMP

Does anyone have any ideas on mapping out a Cisco-based network via SNMP? I have SNMP access to all of the switches (obviously), and a list of all of the hostnames. From this, I need to be able to build out a network map (or at least find which…
Jason Antman
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Detect devices connected to my network

Another day, another question ! I am trying to write a script that would monitor my LAN for any new new devices connected to it and if it finds a new device, send me an email. My test network is a very simple one consisting of just 1 cisco 2900XL…
ankit
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How to redirect logs from Cisco firewall to a specific file?

We need to redirect the logs from our Cisco firewall(SA520-K9) to syslogd server(it's a CentOS server). The settings are done on the firewall. But the messages from firewall are going to /var/log/messages and console instead of /var/log/firewall.log…
nitins
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Help installing and configuring an Cisco ASA 5505 firewall?

I’m having some difficulties installing the Cisco ASA 5505 firewall at my company. We had an old firewall (Zyxel) which caused a lot of problems so I was recommended the ASA 5505 firewall from Cisco. The old setup on the Zyxel was two Ethernet…
Mestika
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Do SFP modules have their lasers off when the port is adminstratively down?

I have a Cisco SFP module that I might need in a few weeks, I don't want to pull it out but I wanted to know if I shutdown the port does it turn off the SFP module, I don't want to leave the laser on if it doesn't need to be powered on.
Peter
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What router to choose between a 3620 and a 3640 to work with 3500 series switches?

This question is issued from the following: Will a Cisco 2514 router work properly with a Cisco Catalyst 3500 series switch? Following the inner requirements, I have searched for a more recent router. As such, I have found a 3620 and a 3640…
Will Marcouiller
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Cisco log: mac address table full, mac overload

I'm currently searching the corresponding messages in a sh log on cisco to the situation when the mac-address-table is full or overloaded. I found a lot about port-security but nothing to the simple message output (target platform = generic Catalyst…
Henry-Nicolas Tourneur
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Using Cisco ACS to authenticate users on multiple domains

We are a sort of service provider network for schools, and use a Cisco ACS and its internal user database to authenticate users onto the remote access VPN which we provide. Every school we support has a separate Windows domain. We would like to be…
Tom Bell
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Cisco ASA - Force all traffic through SaaS Web Filter

As subject really. I have a network behind an ASA 5505 and we need to monitor web usage. We have an agreement with Webroot and their Web Security SaaS. Question is, how can I force all outbound traffic to go out via the Webroot proxy servers?
Nordberg
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Cisco Catalyst VTP to HP ProCurve GARP?

I have two L3 capable ProCurve switches (2810-24G) which I would like to use in our Cisco environment. The Cisco switcheshave vtp configured, and all VLANs are added/maintained basically on the distribution switch. Is it possible to distribute what…
3molo
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DHCP Scope, subnets, unsure

In my network, I have three remote locations that use different subnets then the main location. They are connected to the main location through cisco ASAs. they are as follows: 192.168.0.1 location 1 192.168.1.1 location 2 192.168.2.1 location…
Jeff
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IOS traffic-export equivalent for Junos

In IOS the traffic-export command allows you to take incoming packets and send them, unaltered, to a specific interface. Is there an equivalent way to do this in Junos? I've got a J-series 2350 here. Initially I was going to look at the port mapping…
John
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