Can block DHCP traffic at layer 2 switch? [7:73489]

2003-08-08 Thread Lo Ching
at the edge switch so it will interrupt the normal ip address assignment. Any method to block the unauthorized DCHP server? TIA. Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=73489&t=73489 -- **Please support Gr

N+1 redundancy [7:72202]

2003-07-13 Thread Lo Ching
Dear All, What's the meaning of N+1 redundancy? I found a chassis switch with 4 power supply and it states N+1 power redundancy. Thanks. rgds, Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72202&t=72202 ---

Re: Dynamic VLAN [7:70445]

2003-06-16 Thread Lo Ching
Dear Tom, Thanks your information. So any workaround in this case? Thanks again. Rgds, Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=70774&t=70445 -- FAQ, list archives, and subscription in

Dynamic VLAN [7:70445]

2003-06-10 Thread Lo Ching
Dear All, Suppose there is a PC have 2 IP address configured in single NIC (10.x, 20.x) and connect catalyst 35xx switch that configured with dynamic vlan. (NOT tagged) And there are 2 servers with IP 10.x and 20.x connected to the same switch as well. The server belongs to VLAN 10 and VLAN 20 ba

transmit error in 2621 router [7:70384]

2003-06-08 Thread Lo Ching
Dear All, I got the following errors from my cisco 2621 router. However, this error message does not show up from time to time but it usually occurs in early morning. Can anyone give me some hints about this? TIA. Lo Ching Below is the error message (captured a few for reference) 06-09-2003

subnet routing [7:70175]

2003-06-05 Thread Lo Ching
Dear All, I have a CORE network with /16,eg, 10.10.10.0/16 and a seperate segment with ip 10.10.20.0/24 with a router. ie segment/24 -- routerA --- CORE LAN/16 CORE router All the CORE PC with default gateway pointing to CORE router and segment PC will point to router

RE: ACL configure checking [7:66584]

2003-03-31 Thread Lo Ching
the inbound traffic be blocked (implicit deny any at the end) as I only allow telnet in this ACL? The first entry I want to ensure that the TCP connection initiated from the LAN1 can be connected back. Thanks. rgds, Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&a

ACL configure checking [7:66584]

2003-03-31 Thread Lo Ching
Dear All, I have the network as follow LAN1 ---R1--- serial R2--- HQ I want to allow the LAN1 host to access the HQ server and allow HQ to remote configure R1 router through telnet. I have the following ACL configured in R1. Is it correct? Can you help me to check? access-list 101 permit

E1 [7:65643]

2003-03-18 Thread Lo Ching
services provided (ie, unframed/framed)? TIA. Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65643&t=65643 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report miscon

RE: Frame Relay Design/Bandwidth Question [7:65401]

2003-03-18 Thread Lo Ching
Thanks All information. Can anyone recommend the CIR/EIR/Bc in this enviroment? (2 remote and 1 HQ). I have subscribed the 3 circuit with 128k but I need to provide CIR/EIR/Bc information further. Thanks again Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=656

Frame Relay Design/Bandwidth Question [7:65401]

2003-03-14 Thread Lo Ching
and 1 central site (hub-and-spoke design) to make the connection with CIR 128k at 3 points? TIA. Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65401&t=65401 -- FAQ, list archives, and subscription in

RE: Off-topic: VPN possible? [7:65239]

2003-03-12 Thread Lo Ching
Thanks your info. The limitation is that the ISP only provide 1 fixed IP. Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65266&t=65239 -- FAQ, list archives, and subscription info: http://www.groupstudy.

Off-topic: VPN possible? [7:65239]

2003-03-12 Thread Lo Ching
no FW/VPN box installed in remote-site, any security concern? FR or leased line of course is alternative approach but it is expensive and slower in speed. Thanks in advance. rgds, Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65239&

maximum ACL entry [7:64580]

2003-03-06 Thread Lo Ching
? Thanks in advance. rgds, Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=64580&t=64580 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure vi

MBGP/MPLS VPN question [7:64036]

2003-02-27 Thread Lo Ching
technical conflict issue on Normal BGP in this case. Thanks in advance. rgds, Lo Ching Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=64036&t=64036 -- FAQ, list archives, and subscription info: http://www.groupstudy.