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Forum Posts
Hey all. I have a Cisco 1750 running 12.1(3)xt2.About 30% of the time when doing a show run or a copy run start, the router will reload.Any idea why?
Hello guys, just wondering if anyone knows what's going on! When I upgrade my IOS from:c870-advipservicesk9-mz.124-11.XJ3TOc870-advipservicesk9-mz.124-15.T5 i.e. the latest ios, my Cisco 877W no longer Sync with the exchange, and thus no internet.My ...
question about spanning-tree config.I have a four switches layer-2 setup running RSTP. For one of the vlan spanning tree is not optimized and root switch is selected be default (lowest MAC) process. 1. What will happen if I configure the "spanning-tr...
How would I go about enabling hairpin routing?I need the Cisco to take a packet from an internal device that's destined for the Di0 IP to be forwarded back internally according to the existing port forwarding rules.No-one seems to know how, surely th...
Can some tell me if there are any limitations for the number of downlink switches we can have as opposed to connecting each switch with a dedicated connection to the Core. Workstations are low end machines that don't generated much traffic. Also, con...
Greetings FolksThis may be a little off topic, but my exhaustive searching has left me empty handed so I figured I'd ask.I am looking for OS information. Specifically I'm looking for the command(s) I can use to look at the PATH MTU discovery informat...
Resolved! Line Con 0
Hi Guys, I am working on pushing a config job through Cisco Works to 600 routers and switches. I need to create a script for exec-timeout for 20 minutes. My question is, I see the command is exec timeout 0 0, the first 0 is seconds so for twenty minu...
Resolved! Reset device back to factory
I am not sure if this is the right forum but I follow this one closely and it seems like there are a lot of smart people here. I have an ASA 5520. If I want to erase the current config and start over fresh, do I just erase the startup config and re...
I've read in some places that it is not advised to use Vlan 1 for security reasons. Is this a real good idea or is it more of pain to implement? If it is something that should be setup and used, what are good tips for making the transition and what a...
Dear Experts,what do you think can be a reason for this "odd" situation:I've HSRP configured on 3550 interface vlan3 ip address 172.18.0.3 255.255.255.0 standby 3 ip 172.18.0.1 standby 3 priority 95 standby 3 track Port-channel2 5 HSRP track ...
Hi,I need configure a DHCP for vpn users, and the users must get ever same IP.How I do it?Thanks.
Resolved! arp question
I have an access switch plugged into our core with using a trunk port. To manage this switch I've added a vlan to it which also exists on the core (so it's routed throughout our network)...this switch also contains some vlans which are local to this...
Hope someone can provide some advice.What is the best design for a redundant infrastructure?The components are:2 x 3750G switches (stacked)2 x ASA5520 Firewalls - Active/Passive2 x F5 load balancersFirewalls are up front and load balancers are in the...
hi! I've a stack of 3x 3524 switches. The top and bottom switches will have a trunk link to the 6509 catalyst core switches. I've attached the spanning-tree config details below. How do i make it in such a way that only the bottom switch will do the ...
Does anyone know if Cisco will support uPNP under IOS nat? I have not had much success in my searches on itThanks,Eric
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