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Forum Posts
Good day one and all;i'm trying to get some information about a particular model of switch. our company is in the processof implementing a fiber network, how ever the networking equipment that will be used must meet the IEEE1613 standard, from what ...
Can a INTERFACE like fa0/1 have a layer 3 IP address and then I create a subinterfaces say fa0/1.1 and put an IP address on them as well with DOT1Q....should this be done I have read mixed comments...not best practice I know but I am trying to do con...
Resolved! SFP+ transceiver in 3750e
Does anyone know if you can install an SFP+ transceiver (SFP-10G-SR) like a regular SFP (GLC-SX-MM)in the twingig module on a 3750e? or do you have to go with the x2 for 10Gb? thanks.
Greetings all,I inherited a nice little nugget. I am curious how I can go about flattening these vlans so I can create some simple vlans that are easy to manage. They way this admin has it - is that if a printer needed to be physically moved within t...
I have alot of interfaces that are seeing very high Total output drops and was looking for some direction on what we can do to help this. Here is what I am seeing on one interface....GigabitEthernet2/3/25 is up, line protocol is up (connected) Hardw...
Hi All, I've tried to run a wireshark and i noticed that there is one host that sending broadcast arp. When i find which device it is, i found out that its the mac-address of the SVI interface of Core_Switch. Is this normal? Any suggestion is much ...
Resolved! Spanning-tree cost
I'm practicing spanning-tree with two 2950 switches (Ver 12.1). I have 3 trunks and 3 vlans. I try to change the cost of the interface (for the 3 vlans) and only 2 vlans change the value after I apply the command. The command is "spanning-tree cost 1...
Hello Everyone,I am sorry if this has been addressed already. Can somebody tell me what SDM_ACL Category =128 or 4 or 7 means in an ACL Remark? It will be great if somebody can point a category list for me. Thanks in advance.
Resolved! Port Spanning
We're putting an analyzer on the network and need to span ports to make the analyzer as the destination. I need to span ports from three different switches to the switch where the device is located. Here's the config I plan to use for one of them. Do...
Resolved! Port Priority in STP
Hello. I read that when a switch experiences a tie in regard to the cost to reach the root, the switch first uses the interfaces' Port Priority value as a tiebreaker. If the port priority values tie, the switch uses the lowest internal interface numb...
hello i want to know if this switch support routing , and i want to know what's mean Private Vlan in this switch
Here is the output of:SH IP IGMP SNOOPING GROUPsKBCOH1MF2SW3#sh ip igmp snooping grVlan Group Version Port List------------------------------------------------------------1 239.192.4.64 v1 Fa0/221 23...
I installed CNA to server and it sees only one of my Cisco devices. It sees my 3750 Distribution switch and sees the 3750 core and 2960 switches (10 switches, 6 VLANS) as neighbors. The issue is I want to be able to monitor the ports on each switch...
Hi everyone,The following output is from one of my switches: Tracing the route to 10.16.92.51 1 172.16.28.1 0 msec 9 msec 0 msec 2 172.16.100.1 8 msec 8 msec 9 msec 3 172.16.200.26 17 msec 8 msec 8 msec 4 172.16.200.134 9 msec 8 msec 8 msec 5 10...
Hi All, If an OSPF router has two default routes sent to it, via different routers and they are both E1 type routes, does it base its route selection on metric only? My reason for asking is, I have a router is running two OSPF processes and receives ...
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