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Hi,we've recently done some restructuring on our network and the 2950 in our room is now fed from a 3750 switch (instead of another switch we had) and since then the management on the 2950 seems to be dropping off all the time. network connectivity w...

We have recently purchased a series of 2800 series routers. They all came with SDM preinstalled. However, two of them choose to completely ignore the sdm default configuration file (sdmconfig-2801.cfg). SDM works OK, as long as I configure the router...

Hi,I have a 4507r with a sup IV (WS-X4515) with cat4000-i9s-mz.121-19.EW1.bin.The WS-X4515 data sheet says that it supports rspan as does feature navigator. However the command isn't there (conf t, vlan xxx, remote-span).Is this configured in a diffe...

I have my WAN (fastethernet4) interface configured for DHCP and it has worked just fine up until last week. I can't tell from the debug why it no longer is able to pull down an address. This is through a cable modem. I can connect a PC fine and ha...

jkuhne by Cisco Employee
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  • 1 replies
  • 0 Helpful votes

HI ,I am looking for some docs which described about catos,cisco IOS in details.Please suggest me links where I can find some documents which I can refer to help my understanding.Thanks in advance!!!

praschau by Level 1
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  • 3 replies
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Hi All,I have a vlan interface with secondary ip address configured.vlan 10ip address 10.10.1.254 255.255.255.0ip address 10.10.3.254 255.255.255.0 secondaryip helper-address 10.10.4.1I have confgured my DHCP for both 10.10.1.0/24 & 10.10.3.0/24 netw...

vu2jjq by Level 1
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  • 3 replies
  • 0 Helpful votes

Setting up a 4506 w/SupII+. I have given int Vlan1 an IP address, and have added a default gateway in the same subnet as the IP address. I can assign any of the discovered vlans to any port on the switch and those devices grab a DHCP IP and can tal...

Hi,I am generating traffic with a few different DSCP values (Voice, Signaling, other)When I SPAN the ports of devices in the path I can see the correct DSCP values at each point.When I RSPAN the same devices & interfaces the DSCP values are all set t...

I have 4 3750 catalyst in a MAS config. I am going to add a 3560G-48TS-S router that will be allocate to a workgroup. I have a SFP gig copper available in the 3750. I need to connect the 3750's and 3560 at 1gb. Should I add a SFP to the 3560 and ...

Hii would like to have a loopback Interface on a Cat3750 with L3 SW witch only respond to a ping with DSCP 46 or IPPrec 5. If i use this config it don't work.interface Loopback10 ip address 10.10.30.145 255.255.255.255 ip access-group QOS-TEST in ip ...

I have two switches, a 3524 and a 2960. Each switch is configured with the same VTP domain, same VTP domain password, etc. When I connect the 2960 to the 3524 via fiber the vlan information doesn't get passed on to the 2960. The gig ports are setu...

almay by Level 1
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  • 2 replies
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I've been away from Cisco routers for a while, and I've spent hours trying to find where this new FastEthernet interface syntax of "fa0/0" came from. Is that "a" the second letter of "Fast", or does it mean "aggregate" or something to do with trunkin...

mshnier by Level 1
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  • 1 replies
  • 0 Helpful votes
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