Switching

HelloWe are looking at upgrading the switches in our main data centre. We want to go to 10Gb switches. Currently we are using 120 ports. Made up of 2 stackable 3750G switch 1x single 3750G switch and a 3550. What would you recommend we upgrade to?We ...

I have in my network 2490 with version c2940-i6k2l2q4-tar.121-22.EA4. Is possible connect them via SSH but no is possible from the 2940 connect to others 2940. I get the next error...12_FigueresSud_2940_1#ssh -l pruebas 10.133.15.20Trying 10.133.15.2...

Hello,we have routers 1801 that connect with a central router7200 with tunnels.This central route all traffic from the rest network. The LAN for our 1801 is 10.255.x.x. We have a NAT for the case that we have other subnet that need access for our ce...

Hi,I have a multilayer Cisco 3560 network. All sites are connected to each other using RIP V2. 1. We have remote sites connected by microwave links using Cisco 3560.2. In the attached image "Site-1" should get an IP from the HeadOffice DHCP Server. T...

Pls. clear my doubts. I have 2 SW with 2 trunk ports / links connecting both together. On each SW ports we have F1/1 & F1/2 connection F1/1 & F1/2 respectively.On each of those 2 SW are hosts with presumably access link as Fa1/3 each. The question i...

Is it normal for the OSPF routes to be updated in the routing table every 20 sec.,O 10.11.254.80/28 [110/14] via 10.1.131.131, 00:00:09, FastEthernet5/0/0As you can see from the partial ?show IP route?, the route was updated 9 sec ago, it keeps...

Is there an accepted way to bridge a VLAN across two or more VTP domains?We have 3 separate factories on a large site each with its own VTP domain, there is one VLAN for contractor internet access that needs to be carried across the whole site into t...

in another post I am getting this error...System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)Copyright (c) 1999 by cisco Systems, Inc.TAC:Home:SW:IOS:Specials for infoC2600 platform with 32768 Kbytes of main memoryopen: file "n" not foundope...

can someone please explain me how can I assign a DSL user static ip address ? We are using IP DSLAM not ATM. There are many users who wants a static ip address, so I need the example how can I assign it to them. Let`s say I give them the ip 80.80.80....

HiI am facing am issue of arp entry not phasing out. When my Primary Link goes down, I have a deafult route ( backup route ) that comes into play via Fa0/0. I am learning this route via EIGRP.It works fineBut whenever my primary link ( On Serial ) co...

I have a Router MC3800, that I had to do a password recovery procedure, and after that, I do my configuration, wr mem, check the startup config and the running config, and it looks fine, but when I do a reboot, the router loses all the configuration....

Hi,I have servers which are connected directly to cisco 6509 (SUP1A). From few days the servers NIC's are going down randomly. but at the switch side the interface shows up always. Only the servers won't be able to communicate outside its vlan. It wo...

hi alli am trying to enable multicasat routing on a 3750 switchone port is configured as a routing interface with ip addressaccording to cisco site it should just be a case of entering 'ip multicast-routing distributed' followed by ip pim config.unfo...

a funny thing happned ,when i config a ip address on a interface.the system log in last line suggest that 192.168.0.65/26 is illegal address.i know 192.168.0.65 is a network address and can't be used like that.can anyone tell me,why 172.16.8.65/26 a...