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[Bug 383] New: IS-IS: isisd exits because of I/O error (when running "show isis hostname")
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http://bugzilla.quagga.net/show_bug.cgi?id=383

Summary: IS-IS: isisd exits because of I/O error (when running
"show isis hostname")
Product: Quagga
Version: 0.99.7
Platform: PC
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: High
Component: isisd
AssignedTo: hasso@quagga.net
ReportedBy: xerofun@gmx.li


This bug occurs on 0.99.7, 0.98.6 and 0.99.5-5etch2.

I'm configuring an ip address on a loopback interface via vtysh, activating this
interface for isis i.e

-----------------------------------
# sho run
Building configuration...

Current configuration:

!
hostname rtc
!
service integrated-vtysh-config
!
interface eth0
!
interface eth1
!
interface lo
ip address 192.168.1.1/32
ip router isis 1
!
interface teql0
!
interface tunl0
!
router isis 1
net 02.1921.6800.1001.00
!
line vty
!
-----------------------------------

Now when running...

# show isis hostname

...the isisd of 0.99.x exits with "Warning: closing connection to isisd because
of an I/O error!". The isisd process is gone after this.

The isisd of 0.98.6 silently exits with no error message.

This is reproducable and doesn't happen when there's no "ip router isis 1"
statement on the lo interface. If any other interface has "ip router isis 1" set
(such as eth0), but not "lo", then "show isis hostname" is working fine.

Didn't try the CVS version so far.

System:
2.6.19 i686 GNU/Linux

For the test I only have zebrad and isisd running.

Any suggesstions or fixes for this bug?



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