Shared Flashcard Set

Details

FHRP
CCIE
36
Computer Networking
Professional
06/20/2016

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Cards

Term
what is the default hsrp version
Definition
1
Term
can hsrp v1 and v2 be configured together?
Definition
yes, but not on the same interface.
Term
group ranges for hsrp v1 and v2?
Definition
1. 0-255 (default 0)
2. 0-4094 (Deafult 0)
Term
multicast addresses for hsrp v1 and v2?
Definition
1. 224.0.0.2
2. 224.0.0.102
Term
why does hsrp v2 use a different multicast address?
Definition
v1 conflicted with CGMP = mutually exclusive.
Term
why does hsrp v2 have a different packet format?
Definition
v1 used the virtual MAC as its source, so a neighboring switch couldn't identify the physical router by its hello.
Term
what is the hsrp default priority and what is the tie breaker?
Definition
100
highest IP address.
Term
what are the default hsrp timers
Definition
hello - 3
hold - 10
Term
what is the standby MAC format for hsrpv1 and hsrp v2?
Definition
1. 0000.0c07.acXX
2. 0000.0c9f.fxxx
Term
how do the timers differ in hsrp v2?
Definition
millisecond timers are available.
Term
max interfaces that hsrp can be configured on?
Definition
32
Term
how does hsrp interact with proxy arp?
Definition
if both are configured, proxy arp requests are only answered if the interface is hsrp active.
Term
what attributes can be configured with hsrp?
Definition
authentication, priority, preemption and preemption delay, timers, or MAC address
Term
what does vrrp use instead of active/standby?
Definition
master/backup.
Term
vrrp transport protocol
Definition
112
Term
vrrp multicast address
Definition
224.0.0.18
Term
how does preemption work with vrrp
Definition
it preempts by default.
Term
vrrp virtual mac format
Definition
0000.5E00.01XX
Term
how do all vrrp commands begin
Definition
vrrp XX
Term
is glbp cisco proprietary?
Definition
yes
Term
glbp transport
Definition
UD 3222
Term
glbp multicast address?
Definition
224.0.0.102
Term
AVG?
Definition
active virtual gateway - only 1 router is avg, its role is to respond to ARPs.
Term
AVF?
Definition
active virtual forwarder - all routers that can participate in the load balancing i.e. forward traffic.
Term
how do all glbp commands begin?
Definition
glbp
Term
how may glbp groups per interface?
Definition
1
Term
mac glbp interfaces
Definition
8
Term
which FHRP's can be configured together?
Definition
none.
Term
hsrp transport layer?
Definition
UDP 1985
Term
glbp groups per interface?
Definition
1024
Term
glbp mac format?
Definition
0007.B400.xxyy
Term
hsrp groups per interface
Definition
255
Term
hsrp authentication methods?
Definition
md5 and clear text.
Term
hsrpv6 transport
Definition
UDP 2029
Term
hsrpv6 mac
Definition
0005.73a0.0000 - 0005.73a0.0fff
Term
how many virtual mac/ip addresses are there in glbp?
Definition
1. 1 virtual ip address.
2. multiple virtual mac addresses.
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