Industry Standard Protocols White Papers
Cisco HSRP: Hot Standby Router Protocol
Overview The goal of (HSRP) is to allow host to appear to use a single router and to maintain connectivity even if the actual first hop router they are using fails. Multiple routers participate in this protocol and in concert create the illusion of a single virtual router. The protocol insures that one and only one of the routers is forwarding packets on behalf of the virtual router. End hosts forward their packets to the virtual router. The router forwarding packets is known as the active router. A standby router is selected to replace the active router should it fail. The protocol provides a mechanism for determining active and standby routers, using the IP addresses on the participating routers. If an active router fails a standby router can take over without a major interruption in the host's connectivity. This memo also discusses the ARP, MAC address, and security issues with this protocol.
| Publisher | Juniper Networks | File Format | HTML |
|---|---|---|---|
| Date Published | March 1998 | Downloads | 29 |
| Format | White Papers | ||
| Topics | |||
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