Switching

I have a network that will be extended to another building. I have all the vlans defined in router Bldg1. The connection to Bldg2 is using a Layer2 switch with a routed link thru fiber. How I can transfer the vlan information from the other Bldg ? Th...

Hello, In a corporate LAN, where office employees are connected to the inside network; how is the redundancy maintained. For e.g. if the overall network setup is Active/Passive such as1. FrontEnd Firewalls (Active/Passive)2. Firewall DMZ Server farm ...

Is it possible to create a virtual port channel between two Nexus 7000 switches and 2 3750 switches in a stack?I would have 1 link from Nexus 7000 switch 1 to switch 1 in 3750 stack.Link two from Nexus 700 switch2 to switch 2 in 3750 stack. Many Than...

Hello all,I'm trying to use SNMP to find the Port Number from a MAC address on our switches.I follow the procedure described in this document which works fine for most of our switches:http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note...

We have 10 VLAN's created with in our network. DHCP and VLAN is setup on the 3560 switch. There is an "ip default-gateway" command pointing to the interface on our firewall which is connected to the switch and it is on VLAN1.We would like all traff...

I know it's old stuff, but I have a C5500 with a Route Switch Module, IOS 12.0(7)T. This has been stable for 10 years. This morning, the RSM started to reload every 10 minutes with the following log entries:Nov 4 09:33:07: %VIP2-1-MSG: slot9 System...

WS-C2924-LRE-XLflash:c2900xl-c3h2l9s-mz.120-5.WC8.binWhat is the difference between the status from "show int status", in comparison with "show controller lre status link"?I currently see the following:*Show int status Lo0/22 connected 1 Half A-10 1...

Hi All,I suddenly noticed that my one of the IOS-Firewall where all NAT configuration done.When I verified the log I found below logs....Router uptime is 33 minutesSystem returned to ROM by error - an unknown failure, PC 0x6025C7E4 at 09:37:05 UTC Th...

hello,Does the Cisco 3750G support the 1000BASE-EX (GLC-EX-SMD)SFP.Thanks and regards,Anas

I've got a really strange problem on an 1841. It is running IOS 12.4(24)T1 and is configured with Fa0/0 in the internal network and two ADSL cards connected to ADSL lines.When I was looking through the logs, the fa0/0 interface logs several "changed ...

hi experts, 1 > we can not disable stp on switch. we can disable stp on vlan basis or port basis Is this correct or wrong2> i Want explanation of spanning-tree bpdufilter enable commandthanks in advancesuryakant

We are attempting to use VACLs to forward traffic for inspection to a NIDS solution. We would like to preserve the VLAN tags as the NIDS uses this as part of its policy. The question is does VACL support forwarding VLAN tags as well?Kind regards

OK, so I am finally studying multicast routing! (...waits for applause to die down...)I suppose IGMPv2 is more widespread today than IGMPv1 but I'm told they'll BOTH be on the BSCI exam (grumble...)If I understand this right, under IGMPv1, a host tha...