Switching

Anyone have experience with multicast filtering features asIP IGMP Filter   or   IP IGMP Max-groups features in a layer-2 switching environment orin a layer-3 environment   IP IGMP ACL   or   IP IGMP Limit features on a router?Is it better to filter ...

Hello guys,I'm pretty much a noob in networking so I'll try to lay out my problem as plainly as possible.I have two Catalyst 2960 Series (48 port) switches with the newest Cisco IOS installed. There is also a Cisco 2600 Series Router which I can't ma...

This network has lan users connected to the layer 3 6500 switch. DHCP is configured on a server , whose gateway is the layer 3 switch.if the lan users need to get their ip address from the dhcp configured on the server, what configuration should be d...

I had 63 VLANs in my network, with one VTP server switch and all others in client mode. Some time ago we started buying LAN-Lite versions of 2960 switches, which has 64 VLANs limit.Just after i've added two VLANs on VTP server, random network outage ...

Hi guys,Appreciate this may not be the most appropriate location for this request/problem but thought I would post regardless as I can't find anything more suitable!We have several HP 2605DN printers that keep dropping off then re-attaching to the ne...

We've got Cat6500s in our data centers, each with both ACE and FWSMs installed.  Our security folks want to have an IDS attached to each 6500 monitoring all traffic on selected networks; we (the network folks) want to have a sniffer available on each...

Hi,on this switch WS-C4507R-Ewith this modules:1     WS-X4648-RJ45V+E2     WS-X4648-RJ45V+E3     WS-X45-SUP6-E4     WS-X45-SUP6-E5     WS-X4548-GB-RJ457     WS-X4648-RJ45V-Ei ve a problem: two Cisco AIR-LAP Accesspoints have been connected to modul2 ...

Hey folks,We have 2 new Sidewinder firewalls that we plan on using in an active/active HA cluster.From what I've read, the virtual IP (VIP)adapter uses a multicast MAC address, so I must make a static arp entry which will"connect" my multicast L2 (MA...

Hi all,We have an old 3508XL switch.  We are trying to connect a new 2960 to it but we purchased the incorrect SFP insert and that speed can only do 100mb.  We are getting link flaps and we suspect that it's a speed issue between the two. However, I ...

DearsWould like your assistance please regarding ES20+  QoSAs I understand for these cards QoS is MQC; i.e. similar to that of normal WAN cards1- If i have 7600 with ES+ card only then I dont need to configure global command "mls qos" and the concept...

Hey im new to cisco (taking course for CCNA certf.) and i bought a cisco 2950 series switch to play around with and im trying to set it up to SSH. I have google'd a bit on how to do this and i've sort of hit a wall... i have downloaded the cryptograp...

I`m searching about bandwitch control down and upstream with vlans, i found many options but no one works good, follow some examples i have found on the internet