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.
2,633
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Cisco ASA5505 - Unable to ping DMZ from Inside interface
I know just enough of the Cisco CLI to make me dangerous. Here's the situation: I have an ASA5505 with DMZ (10.10.10.X) and Inside (192.168.0.X) Vlans. I'm running a couple servers on a block of ...
- 63
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1
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173
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How to link 2 Cisco switches + 1 Netgear
I have servers in 2 different locations.
The setup is:
The 4 linksys switches are all on the same sub-network. The link between the 2 data centers are provided by the collocation company.
So when ...
- 1,916
1
vote
2
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779
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Problems with commands to configure the NAT on CISCO ubr7200 series
I have a Cisco uBR7200 series CMTS with these features:
Cisco Internetwork Operating System Software
IOS (tm) 7200 Software (uBR7200-K8P-M), Version 12.3 (9a) BC9, RELEASE SOFTWARE (fc1)
Cisco ...
user725328
1
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3
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369
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Cisco 1841: Can someone decipher this feature/package code?
Looking at a used Cisco 1841 router with the following feature/package "code"; I'm assuming there's a T1 interface and 128MB of Flash RAM, but the rest I'm not sure of:
W/WIC-1DSU-T1-V2 IP BASE 32FL ...
- 14k
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1
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397
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Cisco port not forwarding
I have a Cisco 3750 stack. When I try and ping a device connected to one of the interfaces, the output packets counters on the interface do not increase. The input packets counter on the interface is ...
- 5,858
3
votes
1
answer
375
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Limit VPN login to members of a group
I'm running Cisco ASA5520's with PIXOS 8.2(1). I have my vpn setup to authenticate users from my ldap server. I need to be able to limit them to a specific group.
My login base dn is "dc=example,dc=...
- 1,765
2
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3
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3k
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Cisco Default Character Encoding on Console
Question
What is the default character encoding used by most Cisco devices when communicating over the console?
Background
I'm a software developer, writing an application that interfaces with ...
- 193
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4
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Networking Question - What is a VALID Subnet Address? [duplicate]
Possible Duplicate:
How does IPv4 Subnetting Work?
I am currently revising Networking for the Cisco CCNA1. One of the questions that I am struggling to answer is the following:
Which of the ...
Phil
2
votes
2
answers
3k
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Cisco IPSec, nat, and port forwarding don't play well together
I have two Cisco ADSL modems configured conventionally to nat the inside traffic to the ISP. That works.
I have two port forwards on one of them for SMTP and IMAP from the outside to the inside this ...
- 21
0
votes
2
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90
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Understanding IOS Firewall
I inherited the management of a 2811 router which in addition to other things (it's our core router and VPN endpoint...I hate that it's all one box but can't break it up right now) firewalls between ...
user149232
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2
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701
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What is the best way to monitor all traffic of a subnet with CISCO infrastructure?
I'm in the process of setting up a network security lab and want to monitor all packets leaving and entering the network. I'll get a 2Gbit/sec uplink as a channel terminated on a CISCO 3750 switch and ...
- 281
0
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2
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250
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Converting cisco PIX to cisco ASA
I am about to migrate PIX 515E, 6.3(4), configuration to Cisco ASA.
I do not have the PIX which is in Paris, I have the configuration on a notepad file. I do not know the Cisco ASA model yet either ...
- 1
1
vote
1
answer
860
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SSH handshake timeout with NAT on Cisco 881W
I'm having some issues setting up port forwarding using static NAT on a Cisco 881W ISR. I've confirmed that the ssh daemon is working from the linux box inside the nat. My question is regarding the ...
- 13
1
vote
1
answer
2k
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Cisco VPN Client caching dns?
I'm connected to a vendor using a Cisco VPN client that has local LAN access disabled.
So when I can connect to my company's website, let's say www.xyz.com, the traffic goes through the vendor's ...
- 426
2
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0
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2k
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Cisco ASA - DHCP Relay doesn't seem to be working consistently
I'm having an issue where some users on one of our DMZ networks aren't getting a DHCP address from the Windows DHCP server on our internal interface. Being that not everyone is affected is making ...
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1
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2k
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How to properly add guest essid to cisco AP and asa5505
I have an ASA5505 configured with an inside and outside interface and DHCPD for the inside interface. Currently I have a cisco AP (forgot the model) broadcasting only a single essid for the internal ...
- 1,384
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2
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3k
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MAC address flapping
I got two CISCO switches of same model. (they're connected for trunking and spanning-tree is enabled (by default)) - I tried to leave the configuration as default as possible.
I got a server with two ...
- 544
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votes
2
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2k
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Cisco Anyconnect and reaching recources on another subnet
I wonder what is wrong with a asa5510-setup I got delivered from some guys.
The address pool set up on the asa-box is 192.168.3.0 for anyconnect.
When I log in trough anyconnect, I can reach all ip ...
1
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4
answers
13k
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Phase 2 Mismatch when connecting Windows 7 to ASA5505 VPN
I'm trying to stand up a new ASA5505 on our network (previously we used IPCop), and I'm having a bit of an issue getting the VPN to work. I ran through the IPSec VPN wizard in ASDM (6.3) on the ASA (8....
- 380
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1
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225
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Cisco ip phone set-up
I'm in trouble with my "Cisco IP Phone 7906G". This is the first time i have one of those things in my hands (and in my office). I have another ip phone configured on the network, of course its not a ...
- 257
1
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1
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Inside Users can´t reach the DMZ, as well as outside from my cisco ASA 5520 v.7
I'm configuring my Cisco ASA 5520 version 7 and below is the show run of the machine:
ASA2>
ASA2> en
Password:
ASA2# sh run
: Saved
: ASA Version 7.0(8)
! hostname xxxxxxxxxx
domain-name ...
- 11
1
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3
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424
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Cisco BGP question about advertising routes
I have the following config and understand what's happening pretty well with everything except the routes I'm advertising. In other words it's INBOUND traffic I have a question about. What I 'want' to ...
- 13
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votes
3
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4k
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Configure hairpinning on Cisco 871 IOS 12.4(15)T4?
I'm a newbie to IOS. In the past I've used consumer routers which seem to have the smarts to automatically route requests to internal hosts addressed by their public name back to the internal network. ...
- 135
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votes
1
answer
1k
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What difference does the interface ATM0 bandwidth field on a Cisco 1417 router make?
I’m the chairman of the wiring committee for a hundred-unit condominium, and not a Cisco expert. We have a trio of Cisco Catalyst 3550 switches, connected to an old Cisco 1417 router, connected to a ...
1
vote
4
answers
3k
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Bandwidth sharing via police exceed-action drop on Cisco Catalyst 3550s: anything less draconian?
I’m the chairman of the wiring committee for a hundred-unit condominium, and not a Cisco expert. We have a trio of Cisco Catalyst 3550 switches, connected to an old Cisco 1417 router, connected to a ...
0
votes
2
answers
7k
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Can't access shared drive when connecting over VPN
I can ping all network devices but it doesn't seem that DNS is resolving their hostnames.
ipconfig/ all is showing that I am pointing to the correct dns server.
I can "ping "dnsname"" and it will ...
- 1,384
0
votes
1
answer
1k
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Cannot login to Cisco 2911 over ssh?
30 minutes ago my router is not accepting ssh connection. Well, ports is open (due to nmap), ssh simply hangs on reading from Cisco socket (observation from strace):
/home/rafal/.ssh/id_dsa-cert type ...
- 409
3
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2
answers
8k
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Is there a Cisco IOS command that will show DIMM info per slot?
I have a Cisco 2811 with 256MB DRAM. I know this because show version tells me so. I want to upgrade it to 768MB. I know that this takes 1 - 512MB amd 1 - 256MB DIMM. I know that the 2811 has 2 ...
- 518
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1
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4k
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Can't enable IPv6 in Cisco 2800 router running IOS 12.4T
I can't enable IPV6 in a Cisco 2800 router that runs iOS version 12.4T.
I followed the summary steps section in Cisco's web page . But whenever I type "ipv6" on the command line (as in 'ipv6 ...
- 127
2
votes
2
answers
3k
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What can I do to "stress test" an ASA5505?
Just wondering there is any kind of stress test I can put the ASA through. I'm asking this not to help with a problem but just for reference.
I know I could use iperf to send a bunch of traffic ...
- 1,384
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2
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288
views
What could cause wireless clients to lose a strong connection?
I am having an issue in a wireless network. There are about 10 wireless machines (laptops) connected to a server through a wireless router (Cisco E2000).
Every once in a while a bunch of machines (...
- 292
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1
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481
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Cisco Pix - how many clients or peer sites supported?
I read that a cisco pix 506e supports up to 25 vpn peers (sites), and unlimited clients (machines connected with the cisco vpn software?).
The lowest cost option would seem to be to install the vpn ...
- 1,882
2
votes
1
answer
332
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How to monitor status of vips on cisco 11501 through SNMP
I'd like to use SNMP to monitor the servers that are in rotation on my cisco 11501 load balancer.
I'm having trouble finding the OIDs I need to achieve this task though. I've tried using the OIDs ...
- 131
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1
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255
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CISCO PAT 2 different outside ports, on one ip-address, to 1 inside port on one ip-address
I have a problem with our new corporate CISCO ASA5510 firewall. With our old firewall it was possible to do the following PAT:
outside -> inside
1.1.1.1:22 -> 192.168.1.2:22
1.1.1.1:443 -> 192....
0
votes
1
answer
54
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Can I view the status of my servers on my cisco 11503 loadbalancer via a web page?
We are changing our load balancer to a cisco 11503, is there a web interface which I can use to see which server's it thinks are currently online?
- 1
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3
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1k
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VLSM network design [closed]
I'm studying for the CCNA exam and I want to create a VLSM scheme using RIPv2 for the following (CCNA practice example):
Network connecting 4 different locations
Each switch is fa 0/0 on the router
...
- 662
0
votes
1
answer
184
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Network behind another network - hardware required
We have a small team (4-5 people) in another company's office - they are happy for us to use their SDSL connection and give us an IP address, but apart from that we can't change any configuration on ...
- 5,017
5
votes
2
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88k
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What is a Cisco BVI interface? What is it used for?
I have been Google'd and searched for the answer to these questions, but I cannot find a simple answer.
So my questions are about BVI interfaces. What are they? Why do you use them? In what scenario ...
- 153
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2
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537
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Configure Cisco 871W to connect to VyperVPN
How can I configure my Cisco router to router certain traffic (IP or domain-based) through a VyperVPN connection?
VyperVPN uses IPSec:
http://www.giganews.com/vyprvpn/setup/mac/l2tp.html
Sample ...
- 2,232
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1
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i cant ping to my DMZ zone from the local inside PC
HI everybody.
Can anyone please help me on the following issue.
I got a Cisco Asa 5520 configured at my network.
I cant ping to my DMZ interface from a local inside network PC. so the only way a ...
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3
votes
2
answers
12k
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Cisco ASA - Blocking BitTorrent Traffic
Due to DMCA takedown notices, trying to block bitTorrent traffic for client on a Cisco ASA 5520.
ASA Software : 7.2
ASDM: 5.2
The device is really just used for for NAT and VPN's currently. Is there ...
- 427
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votes
2
answers
4k
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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,
- 1,351
0
votes
1
answer
214
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More than 8 classes in a policy-map - Cisco 3560
It appears I am limited to 8 classes per policy-map.
Here is the error message when using the Cisco Network Assistant:
The policy "policy-name" contains more
than 8 policers, which means it ...
- 115
1
vote
2
answers
410
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Cisco 6500 redundancy
Which of the following methods is best for redundancy in a Cisco 6500?
Two Cisco 6500 chassis each with a single Sup720 and other modules.
One Cisco 6500 chassis with two Sup720 modules and two of ...
- 91
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4
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New network design from a noob. VLANS, IP's, hardware, etc. Any comments please
I’m currently planning a large network infrastructure for a University in Ethiopia and would like people’s comments on my planning. Please bear in mind I have never done networking before.
The campus ...
- 91
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1
answer
186
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Multiple ACL on Cisco Catalyst with QoS classes - behaviour
I would like to limit the traffic to 2 Mbit for several IP addresses.
With the following configuration, will each IP be limited to 2 Mbit or is it all IP addresses combined?
Configuration:
access-...
- 115
2
votes
1
answer
211
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Is there an advantage to having my Internet Gateway on a separate VLAN?
I have inherited a network and I don’t understand why the VLAN’s are setup this way.
I have 6 cisco switches with a single Internet gateway.
My clients are all on the VLAN 1 with an IP of 10.60.15....
- 25
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votes
2
answers
360
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Use cisco catalyst to split 26er Subnet into 2 Networks?
Is it possible to split a Network into 2 parts? Example there are a 192.168.100.129/26 Network i want to split one Address, the last one for example, to a diffrent vlan. So can i create IP based VLANs?...
- 886
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votes
1
answer
4k
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Cisco 3750 - weird tcam usage
I have two 3750-X switches operating in a stack. The SDM template is set to desktop routing, as we need a lot of next-hop unicast routes.
The tcam usage is not looking quite right...every value is ...
- 19.7k
0
votes
1
answer
188
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isdn s/t vs ethernet vs adsloisdn
On the back of my cisco router, I see the following ports:
4 LAN ports
ISDN S/T
ADSLoISDN
Console
Two really basic questions:
1) Is the ISDN S/T port like any other WAN ethernet port? (i.e. can I ...
- 3