Switching

HiI want to set one of my switch's port in 2 different VLAN.I already read that we can put a port in multiple VLAN with the command : switchport mode multi. Then I think, you can specify which vlan is allowed.But I want to know how can I do this kin...

The customer has a 6504-E with IOS 12.2(33)SXH2a and with 2 modulesinstalled: WS-SUP32-GE-3B WS-X6548-GE-TX ...

Hi, Ours is a small retail company. The only cisco devices that are there are 2 877 ADSL's one for internet and the other is a 256K data circuit connected to our HO. Issue: The data circuit is on a different IP range (10.0.0.0/16) and the internet (1...

Is there a standardized protocol that would allow load balancing to occur over multiple hops from one point to another? LACP is intended for use with point-to-point links. I'm wondering about a routing-like load sharing for a Layer 2 redundant netw...

Hello,I have inherited a problem with a stack of 4x 3750 switches. There is a TACACS configuration error on the stack that means I am unauthorized to configure any changes. Each switch has one interface connecting to the management network, but these...

Hi,If i enable voice and data VLAN in the same port how will the IP phones get an IP address from DHCP. MY current configuration is trunk for the phones. Will there be a performance issue on both the configurations. ( Trunk and voice VLAN). Which is ...

Hi,We have the following situation.2 2950 switche connected to 2 Microsoft ISA servers with network load balancing on the isa servers. Between the 2 2950 i'm planning to create an etherchannel. But to support the 2 isa servers in active active conf...

Hello My 3550 lists its Gi0/1 interface as "unknown", but duplex and speed ont the trunk link is negotiated fine to 1000 - in the other end of the fibre there is a 1000BaseSX SFP.Should i take any action, as it seems to work fine? (But why does it li...

hi everyone,one of our customers encountered a strange problem: after a power outage their 1812 router needs to be reconfigured, as if the flash did not hold the running config. what can cause this? can you pls recommend any diagnostic tools and (or ...

HI,Can any one advice what is this cause of the following error. 170.71.60.11 is the IP address of the core switch.11:29:50.186 GMT: IP: s=170.71.60.11 (Vlan1), d=224.0.0.2, len 48, dispose ip.notgateway.

Dear experts,Aim: To enable router to shift to next available route to a destination within 5 seconds. i.e to converge faster (within 5 seconds)The priority of links is 1. Leased Line modem2. RADIO3. VSAT ( satellite modem)The ip routes are configur...

Hi,I have cat4500 with several vlans:10.1.x.x172.23.1.x172.23.2.x172.23.3.xI have configured RIP and 172.23.0.0 is propagated. Can sombody please tell me how to configure RIP that the subnets 172.23.1.x, 172.23.2.x and 172.23.3.x are propagated.curre...

Hello, I was wondering what the default administrative mode is on the switch interface ports?Do they form trunks automatically when connected to other switches?

Hello all, I am experiencing a problem with my 2600 router running Cisco IOS Software, C2600 Software (C2600-ADVENTERPRISEK9-M), Version 12.4(17), the problem is that "ip dns server" stops working when I set NAT:ip nat inside source static tcp 192.16...