I inherited the infrastructure below which is a Cisco 2960 switch and an HP 5820 switch connected via port-channel/link aggregation trunks. STP PVST is configured on the 2960 and STP is disabled on the 5820. The two trunk ports on the 2960 (G1/0/1, G...
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Forum Posts
Hello all For a project I am working on we have the setup as is shown in the picture 1. Since P300 doesn't transmit BPDU messages the idea here is to have two Layer3 links over both of them and static routes. Cisco L3 switches are used because in cas...
Hi Using ACLs to classify traffic. This includes FTP traffic. However Catalyst 3750 switch is not marking the traffic. I have attached snippets from the configuration and details when testing FTP traffic. According to the configuration this traffi...
Resolved! S2S VPN Issue
Hi I have a site to site VPN with a customer. We have a ASA5585 on our end but they have a non-cisco router. The VPN itself is up. But when I send traffic, the encrypts increment but the decrypts do not. Is it most likely an issue on the other end ...
Hey guys, I have a Fat32 formatted usb stick with a ios image for the 3850. I do a copy usbflash0:cat.... flash: it says: 0 bytes copied in 0secs. After that, the image on the usb stick is also 0 bytes. What can I do? Thanks!
I have an issue with configuring TACACS on a switch (3560). Whilst I configure it on vty lines 0 to 4, the config only appears on line vty 0. Here is a capture of what I configure and what happens in the running config. What I configure does not m...
Hi, As i can see in my forwarding table both default and ospf routes are there. is it normal behavior?? But no static or default routes are used in this switch. physical connection is as below. source----------Switch_1-------Switch_2---------destinat...
Hi, We have two hosts that within the same subnet i.e one physical server & one VM that need to run on multicaphysical server (10.1.1.1/24) is connecting to switch FEX (131/1/18) port . The FEX is dual home designVM (10.1.1.11/24) that resided in Bl...
Resolved! access-class confusion
hi guys, I'm wondering why we have to use the access-class command to apply an ACL to a VTY line to restrict telnet / ssh access. I know that the VTY's are in software and are not physically bounded to a particular interface but wouldn't be placing ...
Resolved! HSRP for Best redundancy
Hello everybody, i have small question about hsrp behavior. I made a HSRP configuration in my corporation with vlan and spanning tree load balancing. I did all this on a cisco 3650 catalyst, I works beautifully. My interrogation is, I have 24 por...
Hey all! I have a problem where I don't know how to solve it. I have two Catalyst 4500 as a VSS. Furthermore, I have a stack of two Catalyst 3850 switches connected to the VSS: the 3850 stack is connected with two trunk interfaces, as a port-channel....
Resolved! Interface error/drop threshold alert ?
Hello, what would be the best way to go about setting up an alert system based on a switch interface error/drop count exceeding a certain value ? Thank you for any information.
Hello, we have configured an IE-1000 switch with an IP, configured a hostname in the DNS in the form switchname.subdomain.domain.com. when we access the web management page using the IP of the switch, no problem, however, when we try accessing it u...
I have an IE 2000U that continually boots to the boot loader prompt. If I re-copy the IOS/image to the sd card, then power on the IE 2000, it will boot once. However, at that point, if I do a "sh flash:" command, the flash shows as being empty. Even ...
It has been quite sometime since I have configured a multicast network. Yesterday I tried configuring it on the Production environment but didn't work. We have the multicast servers connected directly to the Core Switch (x2) and I can see the switch...
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