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Forum Posts
For a collapsed core design with multiple vlans spanning network, is L2 etherchannel the best way?Would a multilayer design (core - dist - access) the best scenario for a L3 etherchannel? Does the L3 etherchannel then reside on the distro switches o...
Resolved! MTU settings on GRE tunnel
sh run int tu162Building configuration...Current configuration : 251 bytes!interface Tunnel162 description GRE over MPLS to Dow ip address 10.54.63.50 255.255.255.252 ip mtu 1476********************** ip policy route-map clear-df-bit load-interval 30...
hi,i have a problem?nm-16esw or hwic-4esw,which one support routed?thanks!
Hi!Can I use HSRP on a single chasis 6513 with 2 MSFC cards and Native IOS? if so, how can I switch from one MSFC to another? Some time ago I used the command "session slot #", but I did it on a hybrid (ios & catos) 6513. Is this still possible u...
hi! I have some doubts about vlan and subnet.Is it the best pratices to have one vlan for one subnet? What's the advantage of this? Will there be any problem if i've multiple subnets in one vlan?In term of network performance, will it decrease the pe...
Hican someone explain me how to read the CPU utilization from graph belowsh process cpu hisflrtu01-rt1 04:10:19 AM Tuesday Apr 22 2008 UTC 222111111111111111111111111111111222222222211111111111111111100 90 80 70 60 50 40 30 20 10 0....5....1.....
Resolved! Best Way of Implementing ACL's on 6500
Hi, could someone please tell me the best (most efficient way) of implementing ACL's to filter IP by L3/L4 on the 6500 Platform.Specifically we are using 6509/720-3b's and have a requirement to filter traffic upto Layer 4, logging exception entries t...
Please advice which IOS is using for 6509-E switch. Even this is not listed in the cisco site. Please advice the path also.
Hi All,We have two buildings A and B next to each other running 10gb fiber (ATT) between them. Building A CAT 3560 connects to building B CAT 3570 over this fiber cable. Building A has a T3 to internet for data and voice. There is a firewall with 3 i...
Resolved! OSPF filtering
This should be easy, but I'm having problems.I have a pair of layer 3 switches which are talking OSPF. On each switch there are a few static routes which I want to advertise to the other switch. I've redistributed these into OSPF for this purpose. Ho...
Hi,We have mutiple 6509 switches with VS-S720-10G. When we reboot the switch manually it goes to rommon sometimes. We found that SP registry value was changed to some wrong value (0x0 i remember) automatically. Then we corrected to 0x2102 manually by...
Hi all!I try to do redunduncy connection with two 2801 and two ISP. So, I configured HSRP on ineterface VLAN1 on both 2801, now I configuring PBR based on host source address. How can I do that? Should I configure same PBR policy on both 2801 and app...
Hi all, if I plug a port into another port in the same switch, can anyone tell me what spanning tree does to stop the loop and how it identifies it on the same switch ?
Why the concept of native VLAN brought into the IEEE 802.1q VLAN identification method? It is not there in the ISL. What is the actual requirement of native VLAN.
All of a sudden my 4 cisco 2960 and one 3750 switch's console port is not working .The earthing of the site is fine . i had not enabled telnet so not getting acess through telnet or http. but the ports are working fine . i even tried re setting the c...
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