Hello,
We have upgraded a number of devices to the lastest IOS
"c870-advsecurityk9-mz.124-24.T2.bin", and for some reason, the command
"peer default ip address" seems broken.
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
no ip virtual-reassembly
encapsulation ppp
load-interval 30
dialer pool 1
dialer idle-timeout 0
dialer persistent
dialer-group 1
peer default ip address 10.10.10.10
no cdp enable
ppp authentication pap callin
ppp pap sent-username user password 0 password
ppp ipcp route default
end
For reasons too long to explain here, we require in this type of config
that the 871/881 device force the use of a particular IP address even if
the PPP server reports a different one. This has worked up to and
including 124-15.T2.bin. 124-24.T2.bin no longer allows for this, the
connection is made but the IP address of the PPP server is missing in
the interface. The PPP link is established however no data can be sent
or received. The default route is also not installed.
With 124-15.T2.bin:
Interface User Mode Idle Peer Address
Vi1 PPPoE 00:18:42 11.11.11.11
router>show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
level-2
ia - IS-IS inter area, * - candidate default, U - per-user
static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 11.11.11.11 to network 0.0.0.0
66.0.0.0/29 is subnetted, 1 subnets
C 66.1.1.88 is directly connected, FastEthernet4
11.0.0.0/32 is subnetted, x subnets
C 11.11.11.11 is directly connected, Dialer1
C 11.1.1.88 is directly connected, Dialer1
S* 0.0.0.0/0 [1/0] via 11.11.11.11
With 124-24.T2.bin
Line User Host(s) Idle Location
* 0 con 0 idle 00:00:00
Interface User Mode Idle Peer Address
Vi1 PPPoE 00:00:39
telefax-test#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
level-2
ia - IS-IS inter area, * - candidate default, U - per-user
static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
11.0.0.0/32 is subnetted, 3 subnets
C 11.1.1.88 is directly connected, Dialer1
If I remove the peer default IP address, I connect, however the real IP
of the PPP server is accepted as the next hop and this is undesireable
in this config.
I am hoping somebody can tell me this is an oversight and not a
permanent "feature"?
Sincerely,
Chris Conn
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