Switching

I am trying to add a static DNS entry (ip host) to our 1800 router  (current up to date IOS)But over time, the entry seems to just disappear automatically ?!?The problem is that the DNS name also exists in the 'outside world' , but i want it to stric...

    Hello,Could somebody give a hint for our rather basic problem :- 2248TP or TPE- Nx7K with F2 module- - 2 VDCs on Nx7K : the administrative (VDC 1) and a 'switch' (VDC2).  VDC 2 has limit-resource of the F2 + all ports of F2 allocated.  Works fine...

Hi all,on a WS-C4507R-E there is this configurations:Cat4507#sh verCisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASEK9-M), Version 12.2(54)SG1, RELEASE SOFTWARE (fc1)Image text-base: 0x10000000, data-base: 0x12C41C68ROM: 12.2(44r)...

Hello in my understanding the following flags means like below right?M-Flag - DHCP stateful can manage assinged IP address.O-Flag - DHCP stateful and stateless can inform DNS information.if so the above flags configuration are necesarry on Cat3750X?c...

I have a typical Mac based network including a server, with the exception of a couple of large format printer with a RIP on a specific Mac. We print large files which are greater than 1 GB in size. I am thinking of getting these devices to turn my fa...

Hi All,I have wierd issue going on within network. There is a file server which is behind firewall connected to gig4/0/19 (output shown below). If the users in production network try to access this file server the speed is very slow (approx 50kbps) w...

Hi to all,can you check the following discussion about the "tagging native VLAN" and tell me if the tagging of the native VLAN is the deafult or not (on cat. 3560/37xx/45xx) with the latest IOS releases ?http://www.networkworld.com/community/node/387...

I'm able to upgrade the master of a 3750 stack, but the member fails to upgrade.Switch#  Role   Mac Address     Priority Version  State ----------------------------------------------------------*1       Master e4d3.f1d5.2280     15     3       Ready ...

Hey All,I have no hands on experience with GLBP / vPC's but am learning about them now.  If I make a vPC which terminates upstream into two routers in the same GLBP group.. won't the downstream devices show multiple MAC-addresses for the same IP in t...

Hello guys,Suposing the next topology:SRV01---SW----PC02PC01 upload/download files from/to SRV01 switch is 10/100/1000 network card is connecting to 1000MB, distance is less than 100m and all common trafic is enabled (stp,cdp, arp etc..) in theory my...

This is not really a question - just curious to to the thoughts out there on pushing L3 out to the edge vs L2 when you're running vss?  Some caveats:  VLANs are (generally) restricted to a single port (ie each access switch/idf has it's own vlan, so ...

I have 2 ASA's located in different offices.  We are switching to a new fiber connection with an MPLS setup.  I have begin testing, but I'm stuck trying to create a static route between the ASA's via the mpls connection.Asa CorpIP(inside):  192.168.1...