We've just purchased a WS-C3750-24FS-S, only to find that the 100baseFX ports will not work over Single Mode fibre, backhaul links. Does anyone know of a way or a device that convert from MM to SM??Thanks
Hi all,I have a case like this:In the LAN, there is already a DHCP server running.Now, there is a rack of servers coming. In the rack it has Cisco Catalyst 4948E.I don't want the servers in that particular rack to be affected by the current DHCP in t...
Hy every cisco guru. I have some issue with network. I have switch 2960 and router that connect with one interface to that switch. the link is trunk and Router function is inter vlan routing between 4 vlan. This netwrok has only one ip address spac...
Hello ,I'm trying to limit the bandwidth on certain ports to 3Mbps and others 1Mbps for a project, however when I do a bandwidth test from a website the speed on the router doesn't seem to change it's as if the changes over telnet aren't actually a...
I have two switches, a 2960 (sw01) and a 2948 (sw02). The sw01 is trunking via dot1q on Gi0/24 to sw02 on 2/48. Why are VLANs 2-4 not active on sw02?sw01#sh int Gi0/24 trunkPort Mode Encapsulation Status Native vlanGi0/24 ...
Hi all,I am trying to find what is root cause of %STANDBY-3-DUPADDR.The network is as following:Access layer: 100 switches (mix of 3560,2950,2960,3534XL,3548XL,2970,3550,3512XL) connected to each core switch.10 swith have singe connection to one of ...
HiWith regards to the Access/Distribution/Core layers of a network, most Cisco diagrams tend to show each access switch having links to two distribution switches, and each distribution switch having links to two core switches. The obvious point of th...
I need to interface an ASR1002 to an ONS-14454 via multimode fiberThe ASR1002 will use the 1000Base SFP-GE-S SFP module in one of the built-in Ethernet ports (in 1 of the four ports)The ONS-14454 will use 10/100/1000Base ONS-SI-GE-SX SFP in the Ether...
Hi,I have a router that has two DSL connection, both with dynamic IP.If in the routing table I have :ip route 0.0.0.0 0.0.0.0 Dialer0ip route 0.0.0.0 0.0.0.0 Dialer1Then I can ping both external IP from the outside, but it seem the router doesn't hav...
Hi everybody,Does anynone meet this problem:When using Cisco IOS c2960-lanbasek9-mz.122-50.SE3.bin we can delete line in SNMP group config with no snmp-server group <group-name> v3 priv context vlan-<vlan-id> without problems.But, after upgrade on...
We are upgrading two standalone 6509E chassis to a VSS system with new VS-S720-10G-3C cards. The 6509's have WS-X6748-GE-TX card with DFC3B daughter cards (see below). The compatablity matrix (see below) states that 67xx cards are supported bu...
I'm having trouble getting a stack of three sge2000 switches to connect together and NOT reboot.Two of the switches are older Linksys sge2000s and they stack well together, but as soon as i connect the new Cisco sge2000, it will make them both reboot...
Configuring FWSM in a 6509. When I set "firewall vlan-group 40 40-42,251", it results in: "No more than one svi is allowed. Command rejected.". I had "firewall multiple-vlan-interfaces" set for a previous use of this module, but took that off with...
Hi all,I have configured my 1841 to pickup ntp service as below:scheduler allocate 20000 1000ntp clock-period 17178609ntp update-calendarntp server 130.88.200.4and my switch to set the time locally from the above router on its Fa0/0 port as below:ntp...
