we're having issue with sending multicast traffic between VLANs on the same core switchSo for example on our switch we have VLANs 100 and 101 We can send multicast traffic from VLAN 100 to VLAN 101. However, a source from VLAN 101 cannot send multica...
Hey all,One of my switches has gone to HSRP standby mode, even though i removed the connection to the other active switch, the old primary switch which had better priority and prempt configured is not coming up.how to force the old switch to come up...
Hi,I have this routing problem and need some help please.two 6509 switches as core switches in the datacenter runing 255 vlans. have hsrp between them. due to some L2 issues our L2 designer at the last momenet revert all on VLAN1 on one of the 2 6506...
I have a pair of ASAs. I want to create a DMZ with a gigabit switch...is there any reason to use a layer 3 switch over a layer 2 switch? All the routing from internal/external to DMZ will be handled by the ASA...
HiI need to set a site-to-site IPSEC VPN connection for the first time. I'm going to connect to one of our data feed suppliers, how have their internal IP as 10.30.0.0/16. However I already have this network setup on my end. I assume I have to use NA...
The sup720-3B supports 256k routes, if I was to upgrade this supervisor to 1GB of ram from 512MB, will this allow me to support 1 million routes like the sup7203bxl or is this not possible?
I am new to this company, our old network admin quit, taking with him the passwords. I needed to go into our 2600 router to make changes, but didn't know the password so I followed the instruction from Cisco on how to change the password, mainly:romm...
I believe that on UNIX operating system there is a way to configure multiple NICs with the same mac address and so realise a load balancing btw multiple interfaces. Is this something what would work in a cisco LAN infrastructure? Like two 3560s uplin...
Now we want to purchase the rps 2300 to connect our switches for power supply redundancy.The rps 2300's Compatibility Matrix did not mentioned the WS-C2948G-GE-TX and WS-C3524-XL-EN.Can anybody know the above two switches will still be supported by t...
Hi AllIs the known issue with the catalyst 4500 and IPT and QOS, I have a customer that would prefer to run IPT on a 3750 stack. I would assume this is based on the IOS one chooses (IPB or IPS)that will affect the capabilities of the 4500, i know QO...
Hi,I have a task to setup a port forward from the internet (which is on it's own Vlan) to a device on an internal vlan.My switches are 6513's with Dual SUP720's. Although I do not have a NAM module or a firewall module on theses switches.So how can I...
I have about 250 Cisco Routers in my network all running the same IOS Version 124-15.T4 and 249 of them are working for NetFlow to a NetQoS server pulling the data. I have the same configuration set up on this router having the NetFlow issues and I'...
Hi all, my colleague had issues last night with an access list that stopped the multicast traffic allowing the hsrp to work, what would this access list look like ?
