Switching

1. I want to know when there is a multilink, do we need to configure the ip pim sparse-mode command on multilink also or just the 2 serial links?2. Also, if there is a sub-interface s0.1 used for wan links, shall we configure the ip pim sparse-mod...

Hi,Looking for a switch solution which could support 16 ports of 10GbE via XFP, and about a dozen 1GbE RJ45 ports.I looked at the Nexus 5000, but as far as I can tell it only offers 12 x 10GbE ports.I need something with some serious backplane. Our l...

Hi FolksI have problem with Catalyst switch commands, I want to configure VMPS on Cisco 5505 Catalyst switch. I been through cisco website which explains VMPS database file and uploading through tftp. My question is how to create Vlans on catalyst sw...

Hi Experts,I have just small question on STP.Actually STP is a layer 2 link management protocol and it will prevent the loops, here how STP will work? how it will prevent loops?Regards,Naidu

I am trying to make sense of broadcast vs. collision. In the process I thought of a way to have a collision on a switch. Say I have a 24-port switch with a host connected to each port. What if the host on port 7 sends a broadcast packet the exact ...

hi all, i know frame relay connection works very good for cisco ip telephony wan link. apart from this which wan link will be best for connecting one branch to another branch. where i can use ip phones, data, video etc. please reply

Hi Folks,If I configure a static mac entry, like:mac address-table static 1111.2222.3333 vlan 10 int g2/0/1What will happen if traffic with DMAC of 1111.2222.3333 arrives on g2/0/1?Also, what will a switch do if I apply the following config:mac addre...

I have been trying to figure this out for a while, hopefully someone here can help me out.I have a Public class C. I want to take a /27 and route it through a VPN tunnel to another location so that other location can use the public IPs. I have Cisc...

I have a question that I figured I would pose to the forum... I am trying to use VLAN mapping and VLAN filtering on a 6509 applied to a VLAN. On the VLAN map I am referring to an ACL that I created. This ACL uses numerous lines permiting and denying...

I have a customer with an ASA 5505 which works quite well with the one WAN outside interface connected to my ISP and the Internet and the inside interfaces connected to my LAN 192.168.19.xThe client has installed a second high-speed (& expensive) WAN...

Hi all,Im getting some funky characters when booting my Cisco 1750.€˜€æ€˜€æ€˜À€˜€æ€˜€æ€˜€æ€€˜€æ€˜€æ€øAnybody know what's going on?My router does not boot to the IOS. Last command I gave it was confre...

Please how do I know what boot loader goes with what Cisco IOS?I thought there was a site for this but I cannot seem to find it.Please help.Thanks

I have the following situation:* business Head Office (HO) and primary Data Centre (DC) are separated by ~5 km, "core" Cat6ks in each site, connected via 10 Gb/s fibre (utilisation under 5%)* Internet connectivity is via an ASA at the DC* HO has a Ci...

Since my 4k reset by itself for no reason and it showed hardware faulty in log, it back to work after reload. I tried to find any command to diagnose the heardware operation or health condition, like flash, disk, sup, back-line,etc...Thanks

I have vmware sessions that are on different subnets:10.125.100.0/2410.128.100.0/24They both run on VMWare ESX. I'm creating a VLAN125 and an SVI with a 10.125.100.5 interface. If I trunk the port, won't the tags coming through the VMWare server be t...