I have a Cisco Catalyst 4506 Series switch and a Sonicwall firewall. The firewall has 2 ports one for LAN the other for a DMZ, could I setup a vlan on the switch to divide the LAN and DMZ traffic from the firewall so I do not need another switch? ...
Hello,I have a problem that might require some special form of proxy arp:We have a big subnet (/20) with a lot of servers that are configured to use 2 DNS servers in the same subnet.We have a new DNS appliance in that same subnet (through its LAN1 in...
Hi allHas anyone got a chart of some sort that lists the different fiber types, om1, om2,om3, and single mode, that tells you what bandwidth they support for gigabit and 10 gigabit, and also possibly the transcievers that are used with certain types ...
I have a 2821 router that has a EtherSwitch NME-16ES-1G installed in it. I am not the greatest network person. My goaled is to us the vlans that I have configured on all my 3560 switches on the EtherSwitch. How can I get them to use the gig 1/0 that ...
We are having one Cisco 500 TT switch. We couldnt configure 192.168.145. series ip address in that switch. It was telling that "you cant configure 192. series ip in this switch". what can i do?
I have a Cisco 851W router which is connected to our office LAN (Firewall/NAT). Our office LAN is connected to our public network which then connects to the internet through a bridged DSL modem to our ISP.I have static routes set on the office and pu...
I no longer want port channel, when I do “show config†I noticed the following which I no longer want. How may I remove it?#Port Channelset port channel 4/1-4 40set port channel 4/5-8 41set port channel 4/9-12 42set port channel 4/13-16 43set por...
Hi,I have several cat 3750 metro and i wish create a stack with them as i did with regular 3750 switch.the stack interface are present on the 3750 Metro but it seems not be usable for stack purpose.have you got any idea on this ?regardsAlain
I need to replace the IOS on a Cat 3550. Looking at the website I see DRAM: 64M Flash: 16MBWhen I do a show flash or show boot flash, I see the flash but where do I get the DRAM from?Thanks
I'm currently building a multicast infrastructure for IPTV and need to provide redundancy with my source.In my current prototype system I'm using a Cisco 3560-IPBASE-M (SMI) v12.2(25).Here is the layout:Source 1 (VLAN X) \ Cisco 356...
Hi,We connected an Aastra voip central to our network. When the Aastra central is configured to use Qos 5 in vlan 1790 (our voice vlan), we receive a lot of input errors and runts, so no communication is possible anymore. When the central is not co...
A quick questionWe want 1gig+ growth upwards in routing throughput with full BGP tables from multiple upstreams.I have been looking at 76XX with dual 720 sups and also the 12XXX series.the 76xx would run SSO/NSF and the 12XXX would also have dual con...
Hi,I have multiple 2970 switches and 2 4506 switches that all have STP enabled.I have connected one of the 2970 switches to an unmanaged switch ( 3com ), i am afraid that this would cuz a loop in my network !is there anything that can be done on the ...
