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Forum Posts
Hi,I need to connect one sw3750E with two 3750X , with Uplinks at 10 GBps. My doubt is the next:Switch 3750E has two TwinGig Adapter Converting 10 Gigabit Ethernet X2, phisically each twinGig adapter has 2 slots for SFP modules.Can I install sf...
Hi all,I was working on my LAB.Router A and B are configured with Frame relay - OSPF point to multipoint.Both have direct connection back to back.ARouter#sh run int se1/1Building configuration...Current configuration : 181 bytes!interface Serial1/1i...
I am selling several of the new SMB 300 Series switches to a client. These switches seems very full featured for their reasonable price, as compared to some of the enterprise switches (2960, 3560, etc.). it does seem that the sacrifice is that you ...
Resolved! TCN flooded between MST Regions
HelloCan anyone explain why the following would occur, it seems like I'm missing something.In the topology shown running MSTP with two different regions:Can someone explain to me why when if I shut the link between SW2 and SW3 when it is re-enabled I...
Hi,I've been implementing a setup where a remote office has a cisco 1900 router. There are 2 GRE/IPSEC tunnels to the headquarters, 1 over public internet, 1 over a private cloud.Because of some MTU issues we have te clear the DF bit for some of the ...
Hi All.Does anybody know if a new Cisco Catalyst 4500 series supervisor 7L-E model WS-X45-SUP7L-E is backward compatible with a Cisco Catalyst 4500 series chassis model 4507R?I've checked on Cisco website for that Supervisor and it shows only new cha...
I'm using a route-map with a static NAT so the static NAT will be used only when the computer and a specific destination subnet try to communicate in both directions. The problem is that when the computer initiates communication with the destination ...
It seems that mac-filtering and PACL's is rather straight forward but its not working on my L2 interface. Port-security works but this is not useful when trying to filter based on OUI. What am I doing wrong in my config?Linux box:Obviously on the sam...
Greetings!Last weekend I installed a new redundant supervisor (VS-S720-10G) to our WS-C6509-E chassis. Everything went smoothly, the new sup booted into IOS and redundancy was established in RPR mode (due to different IOS versions). We want to run SS...
Hey all,I'm looking to implement a vlan filter to keep unnecessary stuff off my access-layer. Things like IPv6, IPX etc. I really only want IPv4, ARP and 802.1q on these 4500s. I know on 3750, 3560s etc, when I create the mac access-list, I can do it...
Hi everyone,I am quite new to vLAN routing so please bare with me! This is the setup I have.vLAN 1 network 192.168.2.0 with 192.168.2.50 Gateway (firewall amanged by another IT company)vLAN 4 network 192.168.4.0 with 192.168.4.250 as Gateway which is...
Hi,We have two 6500 in a VSS-deployment in the core. To that cluster we connect 4 Nexus 7018, which have uplinks to both 6500 in a port-channel. We run the port-channel as a routed port and use subinterfaces for each vrf. The problem is when we turn ...
Dear AllNeed help for the compatibilty Client has Cisco 4507R+E chasis with SUP- 7L-E and he has WS-X4418-GB line card in stock can this line card work with E series chasisRegardsShaishav Parikh
Hello ,I want to setup HSRP between three 6509 switches with a single virtual ip for all the three switches.Please let me know if its possible and share any site or config.Regards,KA.
Hi All,We have ACL towards inbound interface. it has primary and secondary IP scope(ex 192.*.*.*/24 primary and 10.*.*.*/24 secondary) . Is it really required to have permit statements to allow primary scope IP to secondary scope vice versa. If yes, ...
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