Other Network Architecture Subjects

Hi, we have cisco 6509(catOS) & 3750(IOS), while etherchanneling between them, ports are getting err-disabled in 3750, below are the configuration.Cisco 3750interface gig 1/0/1 switchport trunk encapsulation dot1q switchport mode trunk channel-group ...

I have a layer 3 Catalyst switch 3560 with 24 FE interfaces. I need to pump traffic from traffic generator into port 1 and propagate it to other ports; the last port will be connected back to the traffic generator.I suppose that I need to cascade som...

We have 6509 hybrid switches/MSFC's running in our core with HSRP vlan interfaces. Occasionally we get an HP Open view alert to say that a switch is experiencing HSRP state changes. Cisco.com is not massively forthcoming on potential causation. Whils...

Configuring a 2611 for a test environment. Pretty basic - 2 interfaces. E0/0 connects to network, E1/0 connects to test network. E0/0 10.1.1.10 255.0.0.0E1/0 192.168.100.1 255.255.255.0Have IP routing turned on with a default route pointing to our pi...

I have a Cisco 837 Router. The problem I am facing is that its cookie information is corrupted.System Bootstrap, Version 12.2(11r)YV3, RELEASE SOFTWARE (fc2)Technical Support: http://www.cisco.com/techsupportCopyright (c) 2004 by cisco Systems, Inc.W...

Hi I upgrade the EOS in some FlexWan cards in 7609 equipments.The EOS version I used is 0.28 (0x1c), 3 out of 4 worked fine, but with the last one the module got stucked, no answer. After investigating I realized that this module has a different hw v...

I have a 6500 running disk0:s72033-ipservicesk9_wan-mz.122-18.SXE2.bin - when I turn IP accounting on on any vlan or port, I get very little(like 1 packet in a week though they are very active Vlans or ports). Also, I've noticed that there is no mac ...

Hi! What's the different between root port and designated port?My understandings are :Root port: non root brige switch's port that is connected directly to the root bridge.I'm not very sure what designated port is. Designated Port : non root bridge s...

Hi! I got a 2621 XM router which was configured with multiple subinterfaces. eg.10.71.9.x(fa0/0.1) , 10.71.10.x(fa0/0.2), 10.71.11.x(fa0/0.3) , 10.71.12.x(fa0/0.4) and etcI'm new to acl. My question is that.Q1)If i want to enable access for 10.71.9.1...

i have a problem, some switch have Maximum VLANs supported locally = 250 and others 64 or 68,.... how do i equal all switchs?

I was wondering what the security ramifications of using one switch (6513) in place of multiple switches in this configuration. Attached JPG. Can i configure seperate vlans to replace the individual switches in this diagram? I remmeber reading someth...

hello together,i have a question about rapid spanning tree.If I enable per vlan rapid spanning tree do i have to configure portfast on the access ports or is this nativly done in rstp?best regards lars

We've notice a strange problem with our sup720s in SRM where the running-config on the non-designated MSFC3 is not in sync with the running-config on the designated MSFC3.We were able to reproduce the problem in our lab and it appears that after maki...