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Questions tagged [ios]

The operating system used on the majority of Cisco's routers and switches; a package of routing, switching, internetworking and telecommunications functions tightly integrated with a multitasking operating system. For Apple's mobile device OS, use apple-ios.

309 questions
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Cisco Catalyst 4500 Policy Based Routing

In order to test a new firewall I just set up I'm trying to implement policy based routing on our core switch. I want traffic from certain vlans to be routed to the new firewall while everything else continues being routed through the old firewall.…
Logan
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Is it possible to embed TCL directly into a Cisco startup-config?

Is it possible to embed TCL directly into a Cisco startup-config? From the (lack of) information I'm finding, it doesn't look do-able. I have a tool that generates Cisco configurations based on some simple criteria. I'd like to include in this…
willpall
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Cisco 3925/k9 sub-interface vlan support

I've got a brand new cisco router 3925/k9. I wanted to set up a router on a stick on my network, but it turns out it doesn't support vlan sub-interfaces. I did it multiple times in gns3 simulator on other routers, so I am familiar with IOS commands…
Alec T
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How to setup a static multicast ARP entry with Cisco SG300?

We're running a Microsoft NLB cluster in multicast mode as a loadbalancer. Using our old Cisco IOS switches we propagate access to the cluster to our branches using a static ARP entry in the core router: arp 10.20.1.226 03bf.0a14.01e2 ARPA But how…
Fredrik Hedberg
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What does the Cisco ASA command "management-access" do?

I'm working with a Cisco ASA 5510. I changed the management interface to a different interface. I used the command "management-access" to get the new interface working, but the old interface continues to work. So I'm not sure what this command…
Sam Sanders
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Allow my OpenVPN server to work behind a Cisco 800 Router

I have an OpenVPN Ubuntu Server working on ip 192.168.1.11 I need to let my roadwarriors use it from anywhere. I have a Cisco 800 router but I'm not an expert... I've downloaded using tftp its running config copy running-config tftp and I'm editing…
Pitto
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Cisco IOS port forwarding

I'm trying to forward a port to an inside server. I have tried using static nat to forward it and I have opened it up in the access list as far as I know but I can't seem to get it to open.
Anonymous
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Cisco 1800 series router simulation program

I need to know how to program these routers for school, but I need to exercise at home. Are there simulators for the console interface, for learning purposes? I took a look at eBay to get one, but they were quire out-of-budget ;-). Thank you for…
friedkiwi
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Cisco 2610XM: Advanced Enterprise vs Advanced IP Services?

What are the differences from the Adv. Enterprise firmware and the Adv. IP Services? From the 2610XM perspective. Regards,
Andre
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DMZ-to-outside Access Lists

I'm learning about firewalls and access-lists, and I'm trying to decide what sort of access list I should have on the DMZ, particularly regarding outbound traffic. There's certain outbound traffic that I don't want to allow - obviously, SMTP should…
Nate
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Restoring a Cisco router config using a config file

I'm working with a Cisco router over telnet (actually PuTTY), and I'm a newbie to ios. I'm slowly getting the hang of it, but have a very basic question: I have issued a show running-config command and saved the result to a text file. Can I later…
Tor Haugen
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Cisco IOS: access-list logging rate-limited or missed packets

How do we fix these errors? 2629753: Dec 29 09:03:56.521 EST: %SEC-6-IPACCESSLOGRL: access-list logging rate-limited or missed 2 packets This is a Cisco 871 router with BVI and access lists.
700 Software
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Example mrtg config to monitor Cisco CPU/memory usage

I have an existing basic MRTG setup done using cfgmaker to monitor the traffic of our Cisco router. I'd like to add configuration sections to mrtg to have it monitor the CPU usage (min/avg/max if possible) and memory utilization of the router. I'm…
MikeyB
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How to assign single port into multiple vlans

I have cisco switch 3560 and want to create vlans where in i can have a single port in multiple vlans. I tried creating one port e.g fa0/23 as trunk and then allowed it through multiple vlans but it doesnt work. The said port fa0/23 is not traceable…
maroof Qadri
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4 answers

Un-failing over a Cisco PIX 515e

We had a power outage at our data center last week and when our dual PIX 515E running IOS 7.0(8) (configured with a failover cable) came back, they were in a failed over state where the Secondary unit is active and the Primary unit is standby I…
Aaron Brown
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