Switching

Hi,could anyone tell me if it is possible to recover a Cat 6500 that has no code on bootflash from ROMMON, and is it mandatory to have a compact flash card to do the recovery ? or can one use xmodem or TFTP ?Thanks

Hi there,I am having problems with and etherchannel between 2 stacks of Catalyst 3750X. It was working for several weeks but now, one interface is down.I have 2 3750X in stack at site A, and 2 3750X in stack at site B. They are connected through fibe...

Hi,        I am trying to find out how does TACACS+ work? I know that one can configure multiple TACACS+ servers. However, whenever I enter a command into the switch is the switch sending each command line to the TACACS+ server for "Authorization"?Th...

                  Hi everyone,I've a big problem with a loss of packets ICMP sent by differents hosts in differents VLAN. Here my architecture: Core Switch : 2 Switch's C6509 (Version 15.0 (1) SY1)- Mode VSS - One lien VSL , the other link is defecti...

    Hi GuysI want to connect a Cisco small business switch (sf302-8) to a Cisco catalyst 2960S over a mutimode fibre. The transceiver I am using in the catalyst is a GLC-SX-MM. I presume in the SF302, I will have to use a MGBSX1. My question is "are ...

We have Cisco ME3400 switch, with configuration described below.GE0/1 port is uplink:interface GigabitEthernet0/1 description ***MATED-IUB_C&U-Plan*** port-type nni switchport trunk allowed vlan 331,450,4085 switchport mode trunkGEo/2 is configured a...

Hi All,I want to track a route  whether it is reachable by specific IP or not, is it possible?----------------------------------------------------------------------------------------------------track 1 ip route 0.0.0.0 0.0.0.0 10.3.12.26 reachbiltyR1...

Hi,is it possible to run a Catalyst 4500 as pure Layer 2 Switch, i.e. disabling "ip routing", but still managing the switch via Fa1, i.e. the defautl mgmtVrf vrf ?I tried the following:!no ip routing!interface FastEthernet1 ip vrf forwarding mgmtVrf ...

Hi all,I have a subinterface configured for a secured VLAN. To secure the VLAN I implemented ACLs in both directions. To allow return traffic from TCP sessions I ended both ACLs with 'permit tcp any any established'.However, by having tcp established...

An interface on 2921 router is not coming up. When I shut/no shut the interface, I see this:Router#sh log | i 0/2Oct 17 08:55:06: %IP_VFR-7-FEATURE_DISABLE_IN: VFR(in) is manually disabled through CLI; VFR support for features that have internally en...

          Needing to upgrade IOS on 2800 router from c2800nm-advipservicesk9-mz.123-14.T7.bin toc2800nm-advipservicesk9-mz.124-15.T13.bin.  I noticed ther are several other files on the old code that may needed for booting up router but Im running lo...

Hi all,I got a Cisco 2960-S LAN (support PoE+) switch installed in one of my customers' office. The customer needs to plug some cameras to the switch and need inline power from the swtich. Two of the cameras requires 24W power in order to work correc...