Hello, - What are the broadcast domains in this network? - Are all Layer 2 and Layer 3 protocols supported on VLAN 111 and 112 which are the /30 SVI links connecting the L# switches to each other. - If PC1_VLAN102 sent out an ARP broadcast, would th...
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Forum Posts
Hi All, I am working in MNC company as Network Engineer. I have question about Vlan. we have VSS core switch and Number of vlans are configured. I have noticed few vlans are up and not assigned the physical port. Could you please answer for below f...
Hi Cisco Support team My Office order SW Cisco model sg300-52. I read and learn manual GUI and CLI not match for Configure DHCP Relay to allow DHCP server to support multiple subnets. I am create 3 VLAN. VLAN 1 = 172.16.1.253/24 (management)VLAN 2 ...
I have a WS-C3750X-48 switch running an IOS version that is vulnerable to Cisco Advisory ID: cisco-sa-20150325-tcpleak "Cisco IOS Software and IOS XE Software TCP Packet Memory Leak Vulnerability". The switch is located in our internal network, and i...
Hello, I have been following a tutorial for some multicast configuration. What I do not understand is how do we determine the ip address for the client to subscribe to if they want to receive multicast traffic? The below config specify 239.4.4.4 but...
Hello, I am having a PXE booting issue. My network is divided into three different subnets. The 192.168.1.0, 2.0, and 3.0. The 1.0 is a server subnet. The 2.0 and 3.0 are user subnets. The issue I am having is I cannot PXE boot from a different subn...
Resolved! Vlan client unable to access internet
Hi, i am new for this vlan configuration field, after a long browsing i have been configured my cisco 3750x-24t switch with 2 vlans and ISP Connection. Now my problem is switch is pinging with ISP IP, but vlan dhcp client unble to ping ISP WAN IP. An...
Hi All, I have set up a C3750X switch with two VLANs, 10 and 30 with a trunk port to carry both vlans. The trunk port is connected to a 2951 router, with two sub-interfaces defined. Call this R1. interface gi 0/3/0.10 ip address 172.10.8.1 255.255.2...
I posted this here, because 2 weeks ago, I created a mess at work, and after trying to research it, I still don't understand how I did it. They are using the nexus 5K with virtual port channels, down to our server chassis. I wanted to bond two nics o...
Resolved! Connecting two switches
HI all, I connected 2 Cisco Switch via 2 ports 1G-full duplex, I used straight cable, when I do "show interface status", then, port up but they are display only 100Mb speed. Does the straight cable is root cause of this problem ? should I change to c...
Hi, I want to inter-connect the 2 different running networks (192.168.72.0/21 and 192.168.80.0/21) by using this the catalyst 3850 switch. For which I am using inter-vlan routing by enabling 'ip routing'. IP on interface vlan1 - 192.168.79.241 & IP o...
Dear Team i have mistakenly erased the ios of cisco2950 24 port switch switch is not booting now what need to be done i didnt have ios image also please share me the lik of ios if possible and how to load it on switch please help
Hi Guys, As per subject above, all switch is using VLAN1 as management with few other multiple VLAN. If we remove the VLAN1, Does other multiple VLAN is still working?, the reason is we suspect traffic flooding on VLAN1 and couldn't locate the sourc...
So, I have a Catalyst 2960 that has 12.2 (55) installed on it and basically turned it into a Layer 3 switch. I have the default VLAN 1, VLAN 10 and VLAN 20. VLAN 1 - Ports 1-12 - 192.168.1.X VLAN 10 - Ports 13-24 - 192.168.10.X VLAN 20 - Ports 25-36...
I have a production cisco WS-C2960G-48TC- switch at one of our sites that we recently acquired. this switch has an image of: Switch Ports Model SW Version SW Image ------ ----- ----- ---------- ---------- * 1 48 WS-C2960G-48TC-L 12.2(25)SEE3 ...
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