0
votes
1answer
21 views

Checking RAM on a Cisco device

When you do the "show version" command on a Cisco networking device you get some basic software and hardware information, including the amount of RAM which is shown like this: ...
0
votes
0answers
46 views

Connecting a Cisco 3750E Switch using putty

I'm trying to connect to a Cisco 3570E switch through the console using putty. I have the following configurations on putty: Serial line: COM1 Speed: 9600 Data bits: 8 Stop bits: 1 Parity: None Flow ...
7
votes
1answer
42 views

Two Devices, Same Subnet, No Communication

This is a stripped down version of my home network, and my problem is I can not get 192.168.20.100 to communicate with 192.168.20.4. The workstation pings both routers and the server fine, and ...
0
votes
1answer
49 views

Inter server connectivity getting lost after applying Cisco switch configuration

I have 2 Redhat servers in cluster. The eth0/eth2 ports on both servers are in bond0(which is assigned IP). The eth0 and eth2 from server1 are physically connected to giE0/3 on switch1 and 2 ...
1
vote
1answer
57 views

cisco vlan: can a trunk port talk to an access port under the same vlan?

Let's say we have a trunk port A with native vlan 2, access port B with vlan 2. When A send an untagged frame to B, can B receive it? When A send a tagged frame with vlan id 2 to B, can B receive ...
0
votes
1answer
24 views

DHCP Request on non-primary VLAN forwarded through trunk port getting wrong vlan IP

I have two switches, one Netgear GS724T and one Cisco Catalyst 3560. They are both configured with VLAN 10 and VLAN 12 and the Cisco has a DHCP server running for each vlan in the ..12.x and ..10.x ...
1
vote
1answer
116 views

Arp table on a multi switch vlan

Lets say I have multiple cisco switches that are all on the same VLAN. The question is: If I do "arp -a" on a pc that is connected to one of the switches. Do I get the Ip and Mac addresses of all ...
0
votes
1answer
361 views

How can i connect 2 PC with different subnets in 1 Switch in 1 Router

Well here is the problem...I want to connect 2 PC pc_1: 10.1.1.18/29 pc_2: 10.1.1.66/29 with 1 switch pc_1 -> Switch Fa0/1 pc_2 -> Switch Fa0/2 and this switch to a router ...
1
vote
1answer
400 views

VLAN configuration for 2 gateways

I have a Cisco SG200-50 50 port switch and I want to configure it so there is one big LAN (all computers on the switch can see each other), but half the computers only see the first gateway, and half ...
1
vote
1answer
127 views

LACP can load balance by data source?

Backgroud I use a 2012 iMac and a 2012 Mac mini with two thunderbolt to ethernet adaptor make Link aggregation with the help of switch-CISCO SG200-08. Problem LACP both OK on two of my Mac.When ...
1
vote
2answers
784 views

Isolate two networks in one switch (Cisco SGE2000)

I have a small lab, which has 15 systems for development environment and 5 systems for Testing environment. I have only one Cisco SGE2000 (24-port) Ethernet switch. Currently all on 192.168.3.0/24 ...
2
votes
2answers
246 views

Capabilities of business and SOHO routers

I'm currently studying for the CCNA certifications (especially for Cisco routers and configuration). I know that business routers provide more features than SOHO routers, the processing speed and RAM ...
4
votes
3answers
2k views

Cisco Router/Switch with MacBook Pro OSX Lion

What I have: MacBook Pro with OSX Lion Very old Cisco Router and Switch Two Crossover Cables (1 Cisco Console to Serial and 1 Cisco Console to Cisco Console) One Serial to USB Cable I am very new ...
0
votes
1answer
424 views

What is 10G? Is my switch 10G?

What is 10Gactually ? I have a Cisco switch ( http://www.cisco.com/en/US/products/ps10898/prod_models_comparison.html) And it has 2xSFP interface and 10 x 10Base-T/100Base-TX/1000Base-T. ...
0
votes
2answers
251 views

Using MAC address prefix AB:CD:EF

I'm trying to use tcprewrite to change the source MAC address of some packets. I deliberately chose the prefix AB:CD:EF that does not belong to any hardware manufacturer so that I can distinguish such ...
0
votes
3answers
2k views

Cisco switch Link status Up, Protocol down

I just bought a Cisco 3750X switch and when I did a sh ip int brief command, I see that my TE1/1/1 interface (it's a 10G port) has status up but protocol down. Right now, this 10G port is connected ...
3
votes
3answers
675 views

Not sure how to find my switch?

newbie question, I'm afraid: I got a second hand (or maybe more) Cisco WS-C2948G switch off eBay for use at home, but the thing came with no documentation and no software. I'm not a sysadmin, and I ...
1
vote
2answers
961 views

linksys wrt54g router to a Cisco router?

This may be a strange question but I have no clue. I currently have a basic linksys wrt54g router fo9r my home network. I am considering getting a rack/cabinet and running a home server or 2 and ...