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助理工程师
 
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发表于 2018-9-28 12:07:06
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so , 2018.9.05 has a different answer, C, DHCP issue. Which one is correct? I don't think the question any differently." v+ Q# A9 c; J& |
* { j& \+ J/ s3 [+ _
1 S! v8 u, s$ v) FR5 configuration :-
' w! |$ N: @3 f9 rint gig0/0; o9 O/ |- v" G' j
ip address dhcp$ K/ R4 d* o, y* d$ I
This interface not getting dhcp ip address from R4. So even though OSPF configuration was like 0.0.0.0
8 r0 q( p3 D( X: B! \0.0.0.0 area 0 , because this interface does not get correct ip address from DHCP it can’t participate in5 x; d2 H3 T+ y/ s% I4 q$ T# W
OSPF.
9 z1 u6 V) e1 g' g; [0 yR4 configuration :-# F* h e. b% O" a4 `5 u5 ^+ v& T# \
ip dhcp exlude address
! I4 @8 V/ B) t1 V4 oip dhcp pool ine- }4 S$ E* [: U
network x.x.x.x x.x.x.x5 l! J' R d: g2 d9 j
i think default router command was missing here . not sure V1 R9 }/ i2 Q* q1 g! A
but
4 M/ W5 N! _& N7 V3 {# KInt gig0/0
# P& h4 |) \1 Z* _2 eip address dhcp .
* u7 {, ~. M! `7 c$ E e2 i( `* R" h9 OThis interface on R4 should have ip address configured on it instead of ” ip address dhcp ” . Hence its not, W1 K3 n% u3 w3 C
able to provide dhcp lease address to R5.
) W4 c7 g, }3 MR4 also had ospf configured as network 0.0.0.0 0.0.0.0 area 0. So all interface can participate if they are8 M5 @" x. z' P4 @( ~
up and if they have ip address.) H4 I9 _. Y5 e
But because R5 interface connected to R4 could not obtail correct dhcp ip address from R4 due to DHCP& ~3 [% |' L' u/ |2 c3 I
issue they wont form ospf neighborship.3 |/ j6 j/ T, r8 {- J
So correct answer is DHCP issue between R5 & R4. |
213#
2018-9-28 12:07:06
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