Cisco is a major provider of switches and routers to many medium and large companies. Cisco devices often run IOS or NX-OS. Since Cisco acquired Linksys, the consumer line of switches and routers (which do NOT run IOS) have been rebranded to the Cisco name.
1
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0answers
21 views
Cisco 4900M trunk to HP ProCurve switch. Will this setup work?
As I previously ran a Cisco only shop I'm not sure if this is going to work. On paper it looks OK, but you never know.
Will it work ? Are there special considerations that I need to be concerned ...
1
vote
1answer
23 views
Networking Cisco: adding 3750 Switch to existing Stack
Can any one advise about what will happen to my existing switch stack when adding an additional slave switch?
I'm trying to confirm whether this will cause a temporary outage to my network or will ...
0
votes
1answer
30 views
Cisco asa 5505 to use internal DNS server
I have just installed and configured a ASA 5505 firewall (basic license) which has 3 VLANs (outside, trusted, untrusted) and the configuration is really basic.
Outside is for internet, trusted is ...
0
votes
0answers
21 views
Routing dilemma in resilient multi-location web app infrastructure
In need of some help with understanding/resolving a routing challenge we're faced with – here is the scenario/assumptions:
A web application is running which is hosted in 2 physical locations, ...
0
votes
2answers
41 views
Default Route Configuration by IP Range
I have a scenario where I need responses on a certain range of addresses to go out through one default route and another to go out through another but don't know how to setup the route add commands to ...
1
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2answers
45 views
Cannot ping outside Fa4 on cisco 871w Router (SoHo)
After starting fresh after a write erase and a reload on a cisco 871w. I cannot ping outside of the wan (fa4).
I gave vlan1 (default) an ip because apparently the built in "4 port switch" is a layer ...
1
vote
1answer
38 views
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 ...
0
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0answers
27 views
AJAX chat client for Cisco WebEx Connect
I'm working on creating a chat client that is supposed to interface with Cisco's WebEx Connect IM. I'm using Cisco's CAXL library and I got it to work with gchat, which seemed a reasonable XMPP ...
0
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0answers
53 views
Networking wlans and vlans
If we are using a router why do we need to create bvi?
Can't the router route the packets to wired as well as wireless clients? Why create bvi?
0
votes
0answers
10 views
Need Help configuring Cisco Airnet 1130AG to use with SA520W
Setup SA520W with two VLANs; 1 wireless SSID per VLAN. Added an Engenius EOA3630 AP to extend coverage of VLAN/WIFI B to second building however that AP drops connectivity frequently.
I am ...
0
votes
1answer
41 views
Networking hardware for OpenStack deployment
I am looking for some advice on networking equipment for an OpenStack deployment.
I currently have a single ADSL connection coming into a building with a static IP and nothing connected to it ...
0
votes
1answer
44 views
How do I know if my site-to-site vpn connection is being saturated?
We've got a T1-internet connection with a Cisco ASA 5510 appliance in our small office.
We have a site-to-site vpn connection from our office to a remote data center.
Question(s):
How can I find ...
0
votes
0answers
10 views
What is the syntax for adding a nbma neighbor via RADIUS on cisco?
I should be able to use the Cisco-avpair attribute to create a OSPF nbma unicast neighbor at the time of creation of a virtual interface creation on a MlPPPoE session. What's the syntax for doing ...
1
vote
3answers
40 views
cisco catalyst 2960S, which version of software to upgrade to?
This feels like a dumb question, but here goes.
I have a Cisco Catalyst 2960S switch that is currently running software version 12.2(55)SE3
The most current software listed on Cisco's website is ...
1
vote
1answer
32 views
Add Port Forward to ASA5505 with IPSEC Tunnel
I have an ASA 5505 on 8.2 in the field already working. It has two interfaces, LAN/inside and WAN/outside. There is an L2 site-to-site IPSec tunnel configured from the outside interface of the local ...
0
votes
1answer
73 views
Cisco IOS subnet mask using bit notation
I was wondering if it was possible to use bit notatiton when configuring interfaces, or just in general, within the CISCO IOS. I have friends and others swear that they've been able to before, but not ...
1
vote
1answer
55 views
Possible to connect (trunk?) two Cisco 3560 switches from remote locations?
Disclaimer: I'm not a network guru but I do learn quickly! Bear with me.
Situation: I have a colo setup which is comprised of several servers, a iscsi SAN, connected with a Cisco 3560G switch, ...
-1
votes
0answers
48 views
2 gateways on the same subnet — IPcop
I'm having a routing issue I was hoping to get help with.
Basically, we are installing an MPLS link to one of our sites but want to keep the internet traffic separate.
The setup looks a little like ...
0
votes
1answer
82 views
how to NAT site to site VPN web traffic?
I have 2 Cisco routers and they are connected via GRE over IPsec.
All of the traffic from the first router is being routed to the 2nd router with a default route.
I need to access internet from the ...
1
vote
1answer
39 views
how to forward all traffic over a GRE over IPsec VPN on cisco routers?
i have 2 cisco ISR 2821 and 2811 and they are connected over a site to site GRE over IPsec vpn.
my question is that, how can i forward all traffic or web traffic to the other router?
thanks
0
votes
0answers
66 views
Linux equivalent of Cisco's “begin” command [migrated]
In the Cisco IOS, you can filter and manipulate the output of commands using various built-in tools. Some of these have clear Linux equivalents. For example, 'exclude' and 'include' provide 'grep ...
1
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1answer
62 views
Cisco ASA ssh portforwarding with custom port
Cisco ASA 8.4(1)
ADSM 6.4
I'm struggling with forwarding SSH connections from the outside into a server inside my network on a non standard port.
What would the command line look like if I wanted ...
0
votes
1answer
45 views
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 ...
0
votes
0answers
26 views
Cisco 1901 and SSTP VPN Configuration Issues
I recently deployed a Cisco ISR 1901 into our environment and since then the SSTP VPN has become died. I have tried setting the route but it still is not working. I get the message that the server ...
0
votes
2answers
43 views
What are tha main causes of slowness on Cisco PIX 515?
A couple of Cisco PIX 515 work in standby mode. But the active PIX (or the otherone) never uses more then 40% of the available bandwidth on the outbound LAN interface (10Mbps).
0
votes
1answer
27 views
Strange behavoir of PVST
: The spanning-tree root for vlan 1050(192.168.50.0) is Core2
: The spanning-tree root for vlan 1020(192.168.20.0) is Core1
I was trying to add some redundancy to my network and added the links ...
0
votes
1answer
57 views
DHCP Not Working Issue - Cisco ASA 5520
I have abit of an odd problem and a rather complex odd network however im going to make it as simple as possible just incase this is an easy fix.
I have two IP Ranges in our network
192.168.0.0 for ...
2
votes
1answer
37 views
Cisco DSCP based packet drop
On a Cisco router, when setting up a policy-map to shape traffic and drop packets based on DSCP (such as the example below), which class of packet will be dropped first: DSCP 0 or AF13? DSCP AF13 is ...
0
votes
2answers
57 views
Cisco Phone (7961) won't find voice vlan
We have a cisco phone system setup successfully.
I am setting up a bunch of phones, of which, one keeps getting an data vlan ip address from the DHCP server.
Any suggestions?
I have factory reset ...
0
votes
0answers
49 views
Multilink PPP with radius authentication and OSPF configuration
I'm trying to configure a Cisco 37xx to serve as a host for a multilink PPPoE session, authenticating via radius, that also performs ospf determination and passthrough on the multilink session. ...
0
votes
1answer
113 views
Branch Office Cisco Router Throughput [closed]
Looking at routers such as the 2821, you seem to get a throughput of 100mbps (at most) at a price tag of over $2000. An 800 series router will only give a shocking 10mbps. Why is the throughput so ...
8
votes
2answers
512 views
Why is my router CPU at 40% when no processes use more than 2%?
I have a problem, I have a Cisco 1841 running Cisco IOS 15, and I get strange behavior. The CPU usage is shown as 40%, but there is no processes that is using this much CPU power.
Here is an ...
2
votes
2answers
92 views
Need help choosing main cisco WAN/firewall unit ($20kish budget) [closed]
Our IT director has left for greener pastures, and I'm acting as the interim director while we find someone new (I manage the Helpdesk). He budgeted about 20k for a new front end to our internet ...
0
votes
3answers
135 views
Configure cisco switch remotely without console access
Since Cisco in their newer firmwares disabled access to the web interface before password is set on the switch I need an alternative way of configuring switches remotely.
I read up on the Cisco Smart ...
2
votes
1answer
234 views
Cisco ASA 8.4 port forwarding
I am having trouble port-forwarding on an Cisco ASA from a host on the internet to a host on the internal network. The outside interface of the ASA is assigned via DHCP. Is there something else that ...
2
votes
1answer
52 views
Sharing internet connection on Windows XP with 2 NIC's and seperate networks
This is the basic setup. The goal is to get Host 2 to use Host 1's second NIC to connect to the internet without using any special routing software or anything on Host 1.
What I can do: Configure ...
0
votes
1answer
57 views
Setting up VPN on CISCO ASA with private IP on outside interface
I am trying to setup our ASA 5510 to allow IPsec(IKEv1) access to the inside network through VPN. The hard part about our setup is the outside interface does not have a public IP address assigned to ...
2
votes
3answers
159 views
How to load balance two WAN connections?
Attached is a simple network diagram and some example public IP space I would have.
The Cisco 1800 is currently not being used but can be used (or new hardware can be purchased)
The firewall is a ...
0
votes
2answers
118 views
What is the internal latency of a Cisco 3560?
Our trading network is very latency sensitive. We use Arista switches for the latency sensitive parts, and we know that the latency there is 600 ns.
However, we have a Cisco 3560 in part of the ...
-2
votes
1answer
88 views
when choose OSPF and when RIP [closed]
A question asked in Cisco Interview :
Which routing protocol will you use if you have 50 nodes in each area? Choose between OSPF , RIP and explain.
Edit:
I worked with the above Question and came up ...
1
vote
1answer
91 views
Dell equivalent of Cisco Span
We are in the process of upgrading out network to Gigabit to the desktop.
Currently we are using this equipment...
CUCM (Cisco Unified Communication Manger 8.0.3.20000-2)
Cisco 2821 Integrated ...
2
votes
2answers
75 views
Cisco Serial vs T1/E1
I have a router and I have the chance to receive the WAN connection either from a Serial port (Smart Serial) or T1/E1. I have both cards for Serial and E1/T1 interfaces. I really don't know what are ...
1
vote
1answer
48 views
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 ...
0
votes
1answer
200 views
StrongSwan ipsec ubuntu “ignoring informational payload, type NO_PROPOSAL_CHOSEN”
I have StrongSwan running on a ubuntu server and I'm trying to create an ipsec encrypted VPN tunnel with a Cisco 2821 router . The connection is not working and I cannot figure out why. It appears ...
0
votes
2answers
104 views
Decrease idle time when DSL connection lost on Cisco 871w router
Once in awhile my 871w loses the DSL connection and the Dialer0 interface goes down. When the atm0 interface comes up, sometimes the Dialer0 interface hangs for 5 minutes or so before redialing. Is ...
1
vote
2answers
92 views
What are the usb ports for on Cisco routers?
Most of the new routers I've seen have (2) usb ports. What are they for?
0
votes
1answer
139 views
IP SLA on Cisco 1921 IOS 15.2T
Can someone explain to me why I cannot create IP SLA probes on a Cisco 1921 with the latest IOS (15.2T). It is clearly available for that IOS on that router model on the Cisco Feature Navigator ...
...
0
votes
1answer
101 views
Pushing IP routes to various VPN clients
With OpenVPN there is a well-known option "push" which allows to push an IP static route from the server to a connected OpenVPN client.
I would like to know if there is an equivalent of this option ...
6
votes
4answers
265 views
Is Selling Old Cisco Routers a Security Issue?
I'm a system admin but I'm not Cisco certified and I'm not a network engineer. Basically I only use switches/routers/modems with a GUI.
I've inherited a pile of old Cisco routers that are not in use ...
0
votes
1answer
59 views
cisco CUCM 8.6.x configuration export
We currently have a Cisco server running CUCM and cannot get access to the system due to a 'Database communication error' received when attempting a log in to CUCM homepage.
Is there any way to ...
