Good Afternoon, I have an SG550X 24 and an SG500 28 which are connected together in a two port LAG. The configurations are as follows: SG550X: interface TengigabitEthernet1/0/1 channel-group 1 mode auto switchport mode trunk ! interface Tengi...
Good Afternoon, I have an SG550X 24 and an SG500 28 which are connected together in a two port LAG. The configurations are as follows: SG550X: interface TengigabitEthernet1/0/1 channel-group 1 mode auto switchport mode trunk ! interface Tengi...
Hello people, Bought 4 SG550X and seems I am stumped on the "Trunking" stuff. On my cisco 3750 I have connect a Server to a trunking port dot1q, which as per Cisco, it passes all the VLAN traffic. (See below) SW-ATH-FL-1-2-cop2#sh run int gi0/11in...
Hi All We are in a process of merging two different companies and planned to connect new fiber link between the companies core switches. 1) If layer 3 interface is assigned , cant assign same IP address to both core switches at one end , as it will...
Hi all, I'm new to Cisco and its Nexus switches so I have a few questions about a planned setup. I have 1x Nexus 5010 and 2x Nexus 2232TM-E FEX. I also have a stack of 3x DELL 5548. DELL's have 48gbe and 4 SFP+ 10gbit ports. Its a pretty simple net...
Hi there,Are there any SFP modules for Cisco Catalyst 2960-S (or 2960-X) switches that is compatible with SC connectors fiber (Multi Mode 1Gbps uplink connectivity). We are currently using optical convertors to convert 100 BaseFX SC Connector Fiber t...
Can any one explain thetimpacttof disablingdsmart install fefeature in cisco 3750 switch
Hello, I have a 3845 router running a GigE uplink, with a NM-16ESW-1GIG line card running a GigE trunk to the backbone GigE switch. The issue is that the line card GigE trunk is dropping allot of packets in the input queue and thus very poor throug...
I have a failed cisco 3850. I got a new switch in and the IOS was lower than my current stack so i upgraded it . When i do a show ver the IOS looks right but when i do a show switch the H/W version are different. This will cause my stack to fail ? ...
i have a question i have 2960 switchs this is directly connected to a cable modem on this switch i always get public ips instead of my dhcp and vlan, does somebody know a solution?
DTP(dynamic trunking protocol) and vtp(vlan trunking protocol) both are cisco proprietry protocols, I'm confused among them, here are the some questions I wans to ask,1) what is the default running protocol on switches? DTP or VTP ?2) what these both...
Hello, I am having a common triangle 3-switch topology (2960) eligible to loop, as in the attached image. My first config includes switchport mode access for all involved ports and spanning-tree portfast default. When the top switch is connected and ...
Hi all,My 3850 is in a boot loop with the error"Mainboard hardware authentication failed"I tried to break the boot, to try and boot from USB but have been unsuccessful.Any help would be highly appreciated.Thanks,JohnBooting...Initializing and Testing...
Hi All I have just upgraded some Cisco 3850-24T-S switches in a stack from an old version of code to version to 3.06.06 I ran the software install command and all went well until reboot. I had to visit the site and found they were not booting. I am...
is somebody kindly let me know is there any issue for this release or ios for cisco 3750g TS switch Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 15.0(2)SE8, RELEASE SOFTWARE (fc1)
Hi Everyone, Here is setup R1---internal router----Ospf------Cisco3750--------vlan 148-------Cisco ASA-----Internet R2---internal router ---Ospf------Cisco 3750-------vlan 148--------Cisco ASA-----Internet Cisco 3750 has OSPF nei ship with ...
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