SNMP: IfIndex MIB [RFC 1213] starts from 0 #13049
Description
Description
The Interface index MIB [OID:1.3.6.1.2.1.2.2.1.1] in SONiC starts from 0. As per RFC 1213, the IfIndex should be ranging from 1 to the value of ifNumber.
Steps to reproduce the issue:
- Do a snmpwalk for OID: 1.3.6.1.2.1.2.2.1.1
- Check the IfIndex mapping. It starts from 0.
Describe the results you received:
root@SN2100-Leaf1:/# snmpwalk -v2c -c public localhost 1.3.6.1.2.1.2.2.1.1
iso.3.6.1.2.1.2.2.1.1.1 = INTEGER: 0
iso.3.6.1.2.1.2.2.1.1.5 = INTEGER: 4
iso.3.6.1.2.1.2.2.1.1.9 = INTEGER: 8
iso.3.6.1.2.1.2.2.1.1.13 = INTEGER: 12
iso.3.6.1.2.1.2.2.1.1.17 = INTEGER: 16
iso.3.6.1.2.1.2.2.1.1.21 = INTEGER: 20
iso.3.6.1.2.1.2.2.1.1.25 = INTEGER: 24
Describe the results you expected:
iso.3.6.1.2.1.2.2.1.1.1 = INTEGER: 1
iso.3.6.1.2.1.2.2.1.1.5 = INTEGER: 5
iso.3.6.1.2.1.2.2.1.1.9 = INTEGER: 9
iso.3.6.1.2.1.2.2.1.1.13 = INTEGER: 13
iso.3.6.1.2.1.2.2.1.1.17 = INTEGER: 17
iso.3.6.1.2.1.2.2.1.1.21 = INTEGER: 21
iso.3.6.1.2.1.2.2.1.1.25 = INTEGER: 25
Output of show version:
SONiC Software Version: SONiC.202111.0-dirty-20221010.231127
Distribution: Debian 11.5
Kernel: 5.10.0-8-2-amd64
Build commit: ec691aa9f
Build date: Tue Oct 11 07:54:06 UTC 2022
Built by: kuldip.patel@aviz01
Platform: x86_64-mlnx_msn2100-r0
HwSKU: ACS-MSN2100
ASIC: mellanox
ASIC Count: 1
Serial Number: MT1950X05002
Model Number: MSN2100-CB2FO
Hardware Revision: A2
Uptime: 02:17:01 up 1 day, 3:46, 1 user, load average: 0.24, 0.25, 0.45
Docker images:
REPOSITORY TAG IMAGE ID SIZE
avizdock/ones-agent v1.0.0 5a2603b6a936 645MB
docker-dhcp-relay latest 890165d1d890 442MB
docker-teamd 202111.0-dirty-20221010.231127 9e11eeacb228 443MB
docker-teamd latest 9e11eeacb228 443MB
docker-syncd-mlnx 202111.0-dirty-20221010.231127 27f47464cdb1 928MB
docker-syncd-mlnx latest 27f47464cdb1 928MB
docker-sonic-telemetry 202111.0-dirty-20221010.231127 25aadf90f50c 517MB
docker-sonic-telemetry latest 25aadf90f50c 517MB
docker-sonic-mgmt-framework 202111.0-dirty-20221010.231127 843df6f803e6 585MB
docker-sonic-mgmt-framework latest 843df6f803e6 585MB
docker-snmp 202111.0-dirty-20221010.231127 46007feaed7f 472MB
docker-snmp latest 46007feaed7f 472MB
docker-sflow 202111.0-dirty-20221010.231127 e89436c8880a 443MB
docker-sflow latest e89436c8880a 443MB
docker-router-advertiser 202111.0-dirty-20221010.231127 5df23e70624a 428MB
docker-router-advertiser latest 5df23e70624a 428MB
docker-platform-monitor 202111.0-dirty-20221010.231127 fe3e4ad48b2f 820MB
docker-platform-monitor latest fe3e4ad48b2f 820MB
docker-orchagent 202111.0-dirty-20221010.231127 bf418d947316 460MB
docker-orchagent latest bf418d947316 460MB
docker-nat 202111.0-dirty-20221010.231127 291ea6094720 445MB
docker-nat latest 291ea6094720 445MB
docker-mux 202111.0-dirty-20221010.231127 b597c3040a27 481MB
docker-mux latest b597c3040a27 481MB
docker-macsec 202111.0-dirty-20221010.231127 646a92998af7 446MB
docker-macsec latest 646a92998af7 446MB
docker-lldp 202111.0-dirty-20221010.231127 d1cf3fae008a 468MB
docker-lldp latest d1cf3fae008a 468MB
docker-fpm-frr 202111.0-dirty-20221010.231127 74a326b8bfff 461MB
docker-fpm-frr latest 74a326b8bfff 461MB
docker-database 202111.0-dirty-20221010.231127 19a368f709dc 428MB
docker-database latest 19a368f709dc 428MB