Other Network Architecture Subjects

I am unable to get a 1000-TX connection between one of the 10/100/1000-TX ports on the Supervisor Engine II PLus TS X4013+TS and a C3750G-24T-S. Both ports show 'status: notconnect'.Likewise I can't connect two SupII+TS with their 10/100/1000-TX port...

Can anybody give me a good link or explanation to VACL's? I have seen a pretty good doc about securing VLANs with VACLs and private vlans, but it was all for CatOS - I need something for IOS - basically I have one VLAN that needs internet access, bu...

I have configured a vlan on a 6509 so that it links the MSFC with a FWSM blade. The vlan is supposed to show as hardware type EtherSVI. Instead it shows a RP Virtual Ethernet. Can someone tell me how to make it EtherSVI?

please someone help with the following situation: I got 3 each 3750-48 port switches daisy chained together. Console into switch 1 (master) and see all of other 2 switches. Following config works on switch 1:interface range GigabitEthernet1/0/47 - 48...

I have a 3640 router running 12.0(7)XK2I am having difficulty obtaining information as to what IOS I can go to in order to patch Cisco latest vulnerability. Any assistance with this would be great.Thank you in advance.

Since we configured port security our printers are dropping out of the mac-address-table and getting lpr and snmp communications errors. A ping will bring it back online but only temporarily. Any ideas?

I have a Cisco 2948G that we powered down for the hurricane. When we returned we brought power back up all my ports are showing Inactive. Is there a way to activate these ports? I have checked the configuration file, performed soft resets and hard...

Hello,I'm trying to create local users in my Switch /Routers with different privileges. My requirement is when the user telnets to Switch /Router , he should get a screen with username rather than using login command from unprivileged mode . Now to t...

Hi,We have recently installed 3 4948's for a customer network. These were trunked to their 3662's. They specified using a different Vlan (Vlan24), than Vlan1 so we made sure the trunk link specfied this as the native vlan. We had specified the defaul...

There is a problem with a PIX sending syslogs to a device that is plugged into the same switch as the PIX. From any other switch, in the span port the packets are seen going from the pix's ip port (514) to the device's ip port (514). Why do I see uni...

HII'm searching for possible cause of output drops on a fiber link between my distribution(6509 v12.2.18.SXE2) and my wiring closet aggregation switch(4912G v7.6.11.0) Input queue: 0/2000/420/0 (size/max/drops/flushes); Total output drops: 422596This...

I have a strange problem with a 4500 switch where I have a configured VLAN that is not appearing correctly in the routing table. Here is some output from the switch:switch#s verCisco Internetwork Operating System Software IOS (tm) Catalyst 4000 L3 Sw...