I have a switch in an incomplete boot and need some help. I deleted the corrupt image, and transferred a new one from cisco's download page through xmodem and I set the boot environment variable to the new .bin file in flash. Now, when my switch trie...
We encountered the problem, that we could not set the Gigabitports to 100 full-duplex. The problem is that the connection point on the other side of this connection is fixed to 100 full-duplex and can't be changed. It's the first time I remarked that...
Is there any harm in setting the system mtu 9000 on my Catalyst 3750? No devices are currently set to 9000, but I would like to experiment with ISCSI jumbo frames. let me know.
I have a cisco 3560 connected to Palo alto firewall. There is ospf neigborship established between 3560 and the firewall.3560 injects all the ospf database routes to firewall. I want to filter out routes which firewall is receiving. There is no optio...
This problem has stumped me for days (and nights).We have a multi-vendor network consisting of Cisco and Avaya. We are now trying to merge 2 Brocade VDX switches as TOR for our VSphere infrastructure.Both VDXs are in VCS fabric mode. VLANS 186 and 20...
Dear All,My basic network: HR dept: 10.20.10.0/24Server: 10.18.200.0/24I'd like to config my core SW 3560 to deny allow access only specify range IP like below: Allow 10.18.200.75 - 80 to 10.20.10.5 - 6 How can I define a config on my core switch? ...
Hi, i'm having a problem with my NTP configurationthis is the topology|win ntp server (newly added)| ----- |cat4500 core switch| ------ |other network device| the original config from my predecessor is making the cat4500 as the NTP source for all dev...
Hello,We have 2 3850 stacks in our corporate office. One stack is for users and the other is for severs. We have been having alot of false positive duplicate IPs errors on our servers and have been find many others out there having issues with IPDT...
Hi,
I was previously using two 4507 switches with the same IOS and same supervisor modules [dual WS-X4515 SUPERVISOR ENGINE IV]. An etherchannel was setup and running without problems. Switch #1 got damaged and had to be replaced with a new 4507 with...
Hi Guys,I've seen something interesting that I wanted to share and seek your thought. We have 3850 switches in our environment which are acting as a layer 2 only with a trunk port configured to the core (6500). The vlan interfaces are defined at the ...
Created a ip prefix list to allow the default route, then set it in a route-map and applied to ospf process 1200, but it filters everything. This was working about 3 days ago. The only thing that changed is it connects to a new upstream ASA, but the ...
Hi,
I don't understand why it shows 2 lines (C & L) for each network, and each one with different mask !
Router interface which connected to network is set to be 192.168.1.1/24 and the network is in the same range ! so why it shows 192.168.1.1/32 no...
Hello, Checking configuration int some routers we found some ipv6 neighbors inside address family ipv4. It´s a 7606-S with version 15.3(1)S2.I was searching for the way to remove only the neighbor ipv6 inside this ipv4 address family. The neighbors a...
