Thank you for response, The problem seems when a link is down (not PPP, but EthernetFasE0/1 -local ->ISP -Catalyst- > ISP-router ATM-PVC) ,local router will not see at the connection is down and continue announes its LAN out. So is BGP and HSRP will help for redundant solution ?
Regards > I've been there a few times. > > The issue is that ethernet does not depend on keep alives from the distant > end like a wan link. Ethernet sends itself keepalives. > > So .... probably a net diagram would be like: > > local router ----> ISP switch on site ------> ISP network ----> destination > .............. > > Unless the local ISP switch goes down the local router will see a link and > it will never "go down" if anything past the local switch is dead. > > But HSRP is still useful to watch if the physical interface dies (track the > interface) but to guard against an upstream failure I have used floating > statics to switch routes. Of course this is a manual config and if addresses > change you have to change the config. > > Getting fancier involved using BGP and route maps - which made it dynamic. > > Kevin Wigle > > > ----- Original Message ----- > From: "Brown, Ricky" > To: > Sent: Friday, 16 November, 2001 15:40 > Subject: RE: HSRP on Cisco with 2 Ehternet to ISP [7:26528] > > > > Try using the track interface command on each router. > > > > -----Original Message----- > > From: kim [mailto:[EMAIL PROTECTED]] > > Sent: Friday, November 16, 2001 2:56 PM > > To: [EMAIL PROTECTED] > > Subject: HSRP on Cisco with 2 Ehternet to ISP [7:26528] > > > > > > It is routing problem when configure 2 routers 2621( 2Ethernet)have the > > same > > LAN ? > > > > router A :fastE0/0 is LAN fastE0/1 (10Mbs)Link to ISP router 1 > > router B FastE0/0 ls LAN fastE0/1 (10Mbs) link to ISP router 2 > > > > router A is active > > router B is backup > > When one of LINK (muliti access connection )is going down, will router > > update > > at connection breakdown ? > > > > > > > > Regards > > > > Kim Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=26582&t=26528 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
