Hey everyone,Our current network is comprised of about 50 Cisco switches, all C2950s or C2960s, with a C6500 and C3750 stack at the core.Because our network had components from another vendor, the previous network administrator decided to use VLAN 1 ...
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Forum Posts
Resolved! telnet on udp ports
Hi ,To test if any port is active or opened by firewall or not, we can use telnet if port is tcp.How to check if the port to be verified is udp one.will telnet work?Thanks!
Hey One and all;I'm having an issue that I need to figure out and would like advice/guidance in how I can resolve it. Here goes: our company has a domain in which we have a few computers; the company has several departments and we decided to segmen...
Hi Guys,Could anybody please let me know about the new 642-813 exam.I want to know what are the differences in the new 642-813 exam from the previous 642-812 exam in terms of study material,exam duration and exam context.Please let me know if the old...
Resolved! Layer 3 routing behind PIX
Hello All,I'm having a difficulty which is probably simple but I can't seem to make it work. I have a PIX connected to the internet, the outside interface is working fine. The inside interface is connected to a layer 3 switch with 2 networks. The ...
I have the following setup : device marking dscp >------>trunk port [3550 switch] ----- access port---------> management computer The device is marking with dscp 6 in upstream. I need to be able to recognise the dscp 6 marking on the switch and al...
Hi,i understand the meaning of the message timer, but what ist the use of the time out interval? On the cisco webpage i found: "When UDLD neighbors are established, the configured message interval is sent and the timeout interval for that ...
hello!one of the vlan (vlan 20 ) is in one 4507 switch with ip address and all vlans are routed but one link is via no switchport with ip address to different switch and devices (3560 and ASA5520) and to different network but there one of the client ...
Resolved! 10G line card on Cisco Catalyst6509
hi,Urgent help needI got one cisco catalyst 6509. As a new project in, i need to add 10G fibre card to install on.AS the Supervisor engine version is as the following1000BaseX Supervisor WS-X6K-SUP2-2GEin addition, i get MSFC2 card in the box,I ...
Resolved! Trunking over Ethernet.
Am I able to trunk from a switch to a router if my router does not have Fast Ethernet -The router I am using only has an Ethernet port -Joe
Hi Netpro,Is there a best practice documentation for upgrading a switch IOS, we are expanding and are looking into puchasing new 3750's and 2960's. We are currently using C2960 Software (C2960-LANBASE-M), Version 12.2(35)SE5 on most of our 2960's. I'...
Resolved! RIB to FIB when pinging
Why is it that when pinging from the f0/0 (10.1.55.1) to a host (10.1.55.38) the ICMP reply are using RIB? I have CEF enabled and I can understand why the icmp packet destined for .38 would use the FIB table. - Why would the responses use the RIB?Ju...
Hello. I have IPTV network with IPTV multicast server, Catalyst 3750G Enhanced Image with IGMP snooping and queirer enabled, and SRW248G4 switches to connect clients. Clients are succesfully connecting to snooping groups (accordong to "show ip igmp s...
Attached is the raw netflow export i captured. The SysUptime value of "3403894224" that appears in the netflow header is the interval in milli-seconds since the last time the router was rebooted. The StartTime within that of 3403684 seconds is supp...
Hi Ciscoer,Need advice to design LAN routing (attached the image). Planning to use OSPF, so how to breakdown the area?and Other advice really appreacited.The current design has 3 pairs Distribution Switch (A&B) and edge switches (access Sw) will atta...
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