[VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing #20941

nazariig · 2024-11-27T15:34:32Z

Description

This appears to be a timing issue caused by SWSS event processing while being in a busy state.
Looks like we have a situation, when two tasks are stuck in SWSS queue (VLAN member and VLAN removal) and then being processed at once via single loop.

Since the events are stored in a multimap container (SONiC implementation from day 1), the ordering of items eventually can be changed due to key sorting algorithm. This means, that SWSS will be processing events in a different order, comparing to what was originally generated by CLI or controller.

Steps to reproduce the issue:

Create VLAN and members

sudo config vlan add 4094
sudo config vlan member add --untagged 4094 PortChannel0001
sudo config vlan member add 4094 Ethernet64

Remove LAG from VLAN

sudo config vlan member del 4094 PortChannel0001

Pause SWSS

docker exec -ti swss bash
kill -s SIGSTOP $(pgrep -f /usr/bin/orchagent)

Remove VLAN and member

sudo config vlan member del 4094 Ethernet64
sudo config vlan del 4094

Resume SWSS

docker exec -ti swss bash
kill -s SIGCONT $(pgrep -f /usr/bin/orchagent)

syslog:

2024 Nov 27 16:34:36.642969 sonic ERR swss#orchagent: :- removeVlan: Failed to remove non-empty VLAN Vlan4094
2024 Nov 27 16:34:36.643100 sonic ERR swss#orchagent: :- removeVlan: Failed to remove non-empty VLAN Vlan4094
2024 Nov 27 16:34:36.644014 sonic INFO swss#orchagent: :- removeRoute: Failed to find route entry, vrf_id 0x3000000000002, prefix fd00::/80
2024 Nov 27 16:34:36.644162 sonic INFO swss#orchagent: :- removeRoute: Failed to find route entry, vrf_id 0x3000000000002, prefix fe80::/64
2024 Nov 27 16:34:36.644280 sonic ERR swss#orchagent: :- removeVlan: Failed to remove non-empty VLAN Vlan4094
2024 Nov 27 16:34:36.645386 sonic INFO syncd#SDK: :- processSingleEvent: key: SAI_OBJECT_TYPE_VLAN_MEMBER:oid:0x27000000000744 op: remove
2024 Nov 27 16:34:36.645386 sonic NOTICE syncd#SDK: [SAI_VLAN.NOTICE] ./src/mlnx_sai_vlan.c[1385]- mlnx_remove_vlan_member: Remove VLAN_MEMBER [OID:0x20FFE0027] [bridge_ports_db[2], vlan:4094]
2024 Nov 27 16:34:36.647624 sonic INFO syncd#SDK: :- sendApiResponse: sending response for SAI_COMMON_API_REMOVE api with status: SAI_STATUS_SUCCESS
2024 Nov 27 16:34:36.647866 sonic INFO syncd#SDK: :- sendApiResponse: response for SAI_COMMON_API_REMOVE api was send
2024 Nov 27 16:34:36.648166 sonic NOTICE swss#orchagent: :- removeVlanMember: Remove member Ethernet64 from VLAN Vlan4094 lid:ffe vmid:27000000000744
2024 Nov 27 16:34:36.651882 sonic INFO syncd#SDK: :- processSingleEvent: key: SAI_OBJECT_TYPE_VLAN:oid:0x26000000000741 op: remove
2024 Nov 27 16:34:36.652010 sonic NOTICE syncd#SDK: [SAI_VLAN.NOTICE] ./src/mlnx_sai_vlan.c[951]- mlnx_remove_vlan: Remove VLAN [OID:0xFFE00000026] [vlan:4094]
2024 Nov 27 16:34:36.656430 sonic INFO syncd#SDK: :- sendApiResponse: sending response for SAI_COMMON_API_REMOVE api with status: SAI_STATUS_SUCCESS
2024 Nov 27 16:34:36.656609 sonic INFO syncd#SDK: :- sendApiResponse: response for SAI_COMMON_API_REMOVE api was send
2024 Nov 27 16:34:36.656785 sonic NOTICE swss#orchagent: :- removeVlan: Remove VLAN Vlan4094 vid:4094

swss.rec

2024-11-27.14:34:04.172889|LAG_TABLE:PortChannel0001|SET|admin_status:up|oper_status:up|mtu:9100
2024-11-27.14:34:04.175687|VLAN_MEMBER_TABLE:Vlan4094:PortChannel0001|DEL
2024-11-27.14:34:36.642337|VLAN_TABLE:Vlan4094|DEL
2024-11-27.14:34:36.643107|ROUTE_TABLE:fe80::/64|DEL
2024-11-27.14:34:36.643164|ROUTE_TABLE:fd00::/80|DEL
2024-11-27.14:34:36.644311|VLAN_MEMBER_TABLE:Vlan4094:Ethernet64|DEL

sairedis.rec

2024-11-27.14:34:04.175890|r|SAI_OBJECT_TYPE_VLAN_MEMBER:oid:0x27000000000743
2024-11-27.14:34:04.180936|s|SAI_OBJECT_TYPE_LAG:oid:0x2000000000672|SAI_LAG_ATTR_PORT_VLAN_ID=1
2024-11-27.14:34:04.183784|f|SAI_OBJECT_TYPE_FDB_FLUSH:oid:0x21000000000000|SAI_FDB_FLUSH_ATTR_BRIDGE_PORT_ID=oid:0x3a000000000742|SAI_FDB_FLUSH_ATTR_BV_ID=oid:0x26000000000741|SAI_FDB_FLUSH_ATTR_ENTRY_TYPE=SAI_FDB_FLUSH_ENTRY_TYPE_DYNAMIC
2024-11-27.14:34:04.185607|F|SAI_STATUS_SUCCESS
2024-11-27.14:34:04.187259|n|fdb_event|[{"fdb_entry":"{\"bvid\":\"oid:0x26000000000741\",\"mac\":\"00:00:00:00:00:00\",\"switch_id\":\"oid:0x21000000000000\"}","fdb_event":"SAI_FDB_EVENT_FLUSHED","list":[{"id":"SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID","value":"oid:0x3a000000000742"},{"id":"SAI_FDB_ENTRY_ATTR_TYPE","value":"SAI_FDB_ENTRY_TYPE_DYNAMIC"},{"id":"SAI_FDB_ENTRY_ATTR_PACKET_ACTION","value":"SAI_PACKET_ACTION_FORWARD"}]}]|
2024-11-27.14:34:04.188340|s|SAI_OBJECT_TYPE_BRIDGE_PORT:oid:0x3a000000000742|SAI_BRIDGE_PORT_ATTR_ADMIN_STATE=false
2024-11-27.14:34:04.191534|s|SAI_OBJECT_TYPE_HOSTIF:oid:0xd000000000623|SAI_HOSTIF_ATTR_VLAN_TAG=SAI_HOSTIF_VLAN_TAG_STRIP
2024-11-27.14:34:04.192420|f|SAI_OBJECT_TYPE_FDB_FLUSH:oid:0x21000000000000|SAI_FDB_FLUSH_ATTR_BRIDGE_PORT_ID=oid:0x3a000000000742|SAI_FDB_FLUSH_ATTR_ENTRY_TYPE=SAI_FDB_FLUSH_ENTRY_TYPE_DYNAMIC
2024-11-27.14:34:04.193983|F|SAI_STATUS_SUCCESS
2024-11-27.14:34:04.194680|r|SAI_OBJECT_TYPE_BRIDGE_PORT:oid:0x3a000000000742
2024-11-27.14:34:04.195296|n|fdb_event|[{"fdb_entry":"{\"bvid\":\"oid:0x0\",\"mac\":\"00:00:00:00:00:00\",\"switch_id\":\"oid:0x21000000000000\"}","fdb_event":"SAI_FDB_EVENT_FLUSHED","list":[{"id":"SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID","value":"oid:0x3a000000000742"},{"id":"SAI_FDB_ENTRY_ATTR_TYPE","value":"SAI_FDB_ENTRY_TYPE_DYNAMIC"},{"id":"SAI_FDB_ENTRY_ATTR_PACKET_ACTION","value":"SAI_PACKET_ACTION_FORWARD"}]}]|
2024-11-27.14:34:36.644547|r|SAI_OBJECT_TYPE_VLAN_MEMBER:oid:0x27000000000744
2024-11-27.14:34:36.647986|f|SAI_OBJECT_TYPE_FDB_FLUSH:oid:0x21000000000000|SAI_FDB_FLUSH_ATTR_BRIDGE_PORT_ID=oid:0x3a000000000682|SAI_FDB_FLUSH_ATTR_BV_ID=oid:0x26000000000741|SAI_FDB_FLUSH_ATTR_ENTRY_TYPE=SAI_FDB_FLUSH_ENTRY_TYPE_DYNAMIC
2024-11-27.14:34:36.649813|F|SAI_STATUS_SUCCESS
2024-11-27.14:34:36.650390|r|SAI_OBJECT_TYPE_VLAN:oid:0x26000000000741
2024-11-27.14:34:36.651179|n|fdb_event|[{"fdb_entry":"{\"bvid\":\"oid:0x26000000000741\",\"mac\":\"00:00:00:00:00:00\",\"switch_id\":\"oid:0x21000000000000\"}","fdb_event":"SAI_FDB_EVENT_FLUSHED","list":[{"id":"SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID","value":"oid:0x3a000000000682"},{"id":"SAI_FDB_ENTRY_ATTR_TYPE","value":"SAI_FDB_ENTRY_TYPE_DYNAMIC"},{"id":"SAI_FDB_ENTRY_ATTR_PACKET_ACTION","value":"SAI_PACKET_ACTION_FORWARD"}]}]|
2024-11-27.14:34:36.658068|n|fdb_event|[{"fdb_entry":"{\"bvid\":\"oid:0x26000000000741\",\"mac\":\"00:00:00:00:00:00\",\"switch_id\":\"oid:0x21000000000000\"}","fdb_event":"SAI_FDB_EVENT_FLUSHED","list":[{"id":"SAI_FDB_ENTRY_ATTR_TYPE","value":"SAI_FDB_ENTRY_TYPE_DYNAMIC"},{"id":"SAI_FDB_ENTRY_ATTR_PACKET_ACTION","value":"SAI_PACKET_ACTION_FORWARD"}]}]|

Describe the results you received:

2024 Nov 27 16:34:36.642969 sonic ERR swss#orchagent: :- removeVlan: Failed to remove non-empty VLAN Vlan4094

Describe the results you expected:

No errors are expected

Output of `show version`:

N/A

Output of `show techsupport`:

N/A

Additional information you deem important (e.g. issue happens only occasionally):

N/A

The text was updated successfully, but these errors were encountered:

prabhataravind · 2024-12-04T16:42:41Z

Discuss with @qiluo-msft and @prsunny to see if there is a generic way to maintain order of objects in swss

prsunny · 2024-12-06T20:09:47Z

@nazariig , based on this section of code - https://github.com/sonic-net/sonic-swss/blob/caed910210cba0ff7f6cbbdc403d58a2ffc24d55/orchagent/portsorch.cpp#L5590C1-L5631C6, its different consumer m_tosync for each table. Meaning, different tables have different multimaps. So can you clarify or have an evidence of this statement?

Since the events are stored in a multimap container (SONiC implementation from day 1), the ordering of items eventually can be changed due to key sorting algorithm.

qiluo-msft · 2024-12-10T01:03:24Z

@liuh-80 to check

liuh-80 · 2024-12-10T01:51:44Z

The issue may relate with this part:

https://github.com/sonic-net/sonic-swss/blob/8387d616532badfd8b8856f37096d7740b1a8b4d/orchagent/orchdaemon.cpp#L139

vector<table_name_with_pri_t> ports_tables = {
    { APP_PORT_TABLE_NAME,        portsorch_base_pri + 5 },
    { APP_SEND_TO_INGRESS_PORT_TABLE_NAME,        portsorch_base_pri + 5 },
    { APP_VLAN_TABLE_NAME,        portsorch_base_pri + 2 }, <== VLAN_TABLE priority higher than VLAN_MEMBER_TABLE
    { APP_VLAN_MEMBER_TABLE_NAME, portsorch_base_pri     },
    { APP_LAG_TABLE_NAME,         portsorch_base_pri + 4 }, <== This may also have issue
    { APP_LAG_MEMBER_TABLE_NAME,  portsorch_base_pri     }
};

When VLAN config in CONFIG_DB change, vlanmgrd will handle CONFIG_DB change and change APPL_DB. then orchagent will handle APPL_DB change. however the VLAN_TABLE has higher priority than VLAN_MEMBER_TABLE, so according to following code, VLAN delete event will select first:
https://github.com/liuh-80/sonic-swss-common/blob/ebd2afb0a2946420f6a42ba1f54f8b2c971781be/common/select.h#L52

struct cmp
{
    bool operator()(const Selectable* a, const Selectable* b) const
    {
        /* Choose Selectable with highest priority first */
        if (a->getPri() > b->getPri())
            return true;
        else if (a->getPri() < b->getPri())
            return false;

I will validate my theory, but if this is true, then change the priority may fix the issue. but a risk is VLAN member create event may select before VLAN create event.

prsunny · 2024-12-10T22:10:13Z

The issue may relate with this part:

https://github.com/sonic-net/sonic-swss/blob/8387d616532badfd8b8856f37096d7740b1a8b4d/orchagent/orchdaemon.cpp#L139
vector<table_name_with_pri_t> ports_tables = {
    { APP_PORT_TABLE_NAME,        portsorch_base_pri + 5 },
    { APP_SEND_TO_INGRESS_PORT_TABLE_NAME,        portsorch_base_pri + 5 },
    { APP_VLAN_TABLE_NAME,        portsorch_base_pri + 2 }, <== VLAN_TABLE priority higher than VLAN_MEMBER_TABLE
    { APP_VLAN_MEMBER_TABLE_NAME, portsorch_base_pri     },
    { APP_LAG_TABLE_NAME,         portsorch_base_pri + 4 }, <== This may also have issue
    { APP_LAG_MEMBER_TABLE_NAME,  portsorch_base_pri     }
};
When VLAN config in CONFIG_DB change, vlanmgrd will handle CONFIG_DB change and change APPL_DB. then orchagent will handle APPL_DB change. however the VLAN_TABLE has higher priority than VLAN_MEMBER_TABLE, so according to following code, VLAN delete event will select first: https://github.com/liuh-80/sonic-swss-common/blob/ebd2afb0a2946420f6a42ba1f54f8b2c971781be/common/select.h#L52
struct cmp
{
    bool operator()(const Selectable* a, const Selectable* b) const
    {
        /* Choose Selectable with highest priority first */
        if (a->getPri() > b->getPri())
            return true;
        else if (a->getPri() < b->getPri())
            return false;
I will validate my theory, but if this is true, then change the priority may fix the issue. but a risk is VLAN member create event may select before VLAN create event.

agree. if we change order, it will break create flow

nazariig · 2024-12-11T13:56:04Z

@nazariig , based on this section of code - https://github.com/sonic-net/sonic-swss/blob/caed910210cba0ff7f6cbbdc403d58a2ffc24d55/orchagent/portsorch.cpp#L5590C1-L5631C6, its different consumer m_tosync for each table. Meaning, different tables have different multimaps. So can you clarify or have an evidence of this statement?

Since the events are stored in a multimap container (SONiC implementation from day 1), the ordering of items eventually can be changed due to key sorting algorithm.

@prsunny i didn't check that statement. That was only my guess, since i did not dive too deep into the bug. Based on the code snippet you provided, this is still an ordering issue

nazariig · 2024-12-11T14:01:30Z

The issue may relate with this part:
https://github.com/sonic-net/sonic-swss/blob/8387d616532badfd8b8856f37096d7740b1a8b4d/orchagent/orchdaemon.cpp#L139
vector<table_name_with_pri_t> ports_tables = {
    { APP_PORT_TABLE_NAME,        portsorch_base_pri + 5 },
    { APP_SEND_TO_INGRESS_PORT_TABLE_NAME,        portsorch_base_pri + 5 },
    { APP_VLAN_TABLE_NAME,        portsorch_base_pri + 2 }, <== VLAN_TABLE priority higher than VLAN_MEMBER_TABLE
    { APP_VLAN_MEMBER_TABLE_NAME, portsorch_base_pri     },
    { APP_LAG_TABLE_NAME,         portsorch_base_pri + 4 }, <== This may also have issue
    { APP_LAG_MEMBER_TABLE_NAME,  portsorch_base_pri     }
};
When VLAN config in CONFIG_DB change, vlanmgrd will handle CONFIG_DB change and change APPL_DB. then orchagent will handle APPL_DB change. however the VLAN_TABLE has higher priority than VLAN_MEMBER_TABLE, so according to following code, VLAN delete event will select first: https://github.com/liuh-80/sonic-swss-common/blob/ebd2afb0a2946420f6a42ba1f54f8b2c971781be/common/select.h#L52
struct cmp
{
    bool operator()(const Selectable* a, const Selectable* b) const
    {
        /* Choose Selectable with highest priority first */
        if (a->getPri() > b->getPri())
            return true;
        else if (a->getPri() < b->getPri())
            return false;
I will validate my theory, but if this is true, then change the priority may fix the issue. but a risk is VLAN member create event may select before VLAN create event.
agree. if we change order, it will break create flow

So this is a classic chicken-egg issue. If you fix one part, you will definitely break the other part.
A quick and solid fix would be introducing a retry mechanism.

IMHO, solving object dependency issue for init flow (currently done in SWSS) using some magic prio numbers is not reliable enough.

liuh-80 · 2024-12-13T02:45:21Z

After change priority, issue still happen, found another issue, the compare operation will sort last selected table to first, which means this is not a stable sort algorithm, will check and update later:

struct cmp
{
    bool operator()(const Selectable* a, const Selectable* b) const
    {
        /* Choose Selectable with highest priority first */
        if (a->getPri() > b->getPri())
            return true;
        else if (a->getPri() < b->getPri())
            return false;

        /* if the priorities are equal */
        /* use Selectable which was selected earlier */
        if (a->getLastUsedTime() < b->getLastUsedTime())
            return true;
        else if (a->getLastUsedTime() > b->getLastUsedTime())
            return false;

        /* when a == b */
        return false;
    }
};

liuh-80 · 2024-12-17T08:19:05Z

After remove the last used time part from compare method, event can be select correctly, however the vlan and ports event been blocked because following check failed, seems last used time is important for handle port event:

    /* Wait for all ports to be initialized */
    if (!allPortsReady())
    {
        return;
    }

liuh-80 · 2024-12-23T02:49:29Z

Verified the issue caused by LastUsedTime with following commands:

sudo truncate -s 0 /var/log/syslog
sudo config vlan add 4094
sudo config vlan member add 4094 Ethernet64
sudo config vlan add 4093 <== this will make VLAN table last user time bigger than VLAN_MEMBER table, then will cause VLAN_MEMBER pops first.
sudo cat /var/log/syslog

sudo kill -s SIGSTOP $(pgrep -f /usr/bin/orchagent)

sudo config vlan member del 4094 Ethernet64
sudo config vlan del 4094

sudo truncate -s 0 /var/log/syslog
sudo kill -s SIGCONT $(pgrep -f /usr/bin/orchagent)
sudo cat /var/log/syslog

admin@vlab-01:~$ sudo cat /var/log/syslog
2024 Dec 23 02:45:02.822362 vlab-01 NOTICE swss#orchagent: :- removeVlanMember: Remove member Ethernet64 from VLAN Vlan4094 lid:ffe vmid:270000000006b8
2024 Dec 23 02:45:02.822362 vlab-01 NOTICE swss#orchagent: :- flushFdbEntries: flush key: SAI_OBJECT_TYPE_FDB_FLUSH:oid:0x21000000000000, fields: 3
2024 Dec 23 02:45:02.823078 vlab-01 NOTICE swss#orchagent: :- recordFlushFdbEntries: flush key: SAI_OBJECT_TYPE_FDB_FLUSH:oid:0x21000000000000, fields: 3
2024 Dec 23 02:45:02.825418 vlab-01 NOTICE syncd#syncd: :- flushFdbEntries: generating fdb flush notifications
2024 Dec 23 02:45:02.825418 vlab-01 NOTICE syncd#syncd: :- meta_sai_on_fdb_flush_event_consolidated: processing consolidated fdb flush event of type: SAI_FDB_ENTRY_TYPE_DYNAMIC
2024 Dec 23 02:45:02.827917 vlab-01 NOTICE syncd#syncd: :- meta_sai_on_fdb_flush_event_consolidated: fdb flush took 0.004426 sec
2024 Dec 23 02:45:02.828591 vlab-01 NOTICE syncd#syncd: :- processFdbFlush: fdb flush succeeded, updating redis database
2024 Dec 23 02:45:02.828591 vlab-01 NOTICE syncd#syncd: :- processFlushEvent: received a flush port fdb event, portVid = oid:0x3a00000000061b, bvId = oid:0x260000000006b7
2024 Dec 23 02:45:02.828591 vlab-01 NOTICE syncd#syncd: :- processFlushEvent: pattern ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY:oid:0x260000000006b7, portStr oid:0x3a00000000061b
2024 Dec 23 02:45:02.833625 vlab-01 NOTICE swss#orchagent: :- meta_sai_on_fdb_flush_event_consolidated: processing consolidated fdb flush event of type: SAI_FDB_ENTRY_TYPE_DYNAMIC
2024 Dec 23 02:45:02.837905 vlab-01 NOTICE swss#orchagent: :- meta_sai_on_fdb_flush_event_consolidated: fdb flush took 0.004390 sec
2024 Dec 23 02:45:02.840065 vlab-01 NOTICE swss#orchagent: :- removeVlan: Remove VLAN Vlan4094 vid:4094

Next step will find a draft fix solution.

liuh-80 · 2024-12-26T03:00:50Z

Currently when vlan still have member, orchagent will delay the vlan delete, which means the error message just a warning, the vlan still will be delete later.

        if (removeVlan(vlan))
            it = consumer.m_toSync.erase(it);
        else
            it++;

Also swss-common pops with 'SPOP' command, which will not keep the original insert order: https://redis.io/docs/latest/commands/spop/

So, if the orchagent want keeps the order of events, need:

change to Redis list commands: https://redis.io/docs/latest/develop/data-types/lists/
change to ZMQ, which is message queue and will keeps order.

nazariig added the Bug 🐛 label Nov 27, 2024

liat-grozovik changed the title ~~[202405][VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing~~ [VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing Dec 1, 2024

liat-grozovik added the Issue for 202405 label Dec 1, 2024

prabhataravind added the Triaged this issue has been triaged label Dec 4, 2024

liuh-80 mentioned this issue Dec 10, 2024

[POC] fix vlan delete disorder #21103

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[VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing #20941

[VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing #20941

nazariig commented Nov 27, 2024

prabhataravind commented Dec 4, 2024

prsunny commented Dec 6, 2024

qiluo-msft commented Dec 10, 2024

liuh-80 commented Dec 10, 2024 •

edited

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prsunny commented Dec 10, 2024

nazariig commented Dec 11, 2024

nazariig commented Dec 11, 2024 •

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liuh-80 commented Dec 13, 2024

liuh-80 commented Dec 17, 2024

liuh-80 commented Dec 23, 2024

liuh-80 commented Dec 26, 2024 •

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[VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing #20941

[VLAN]: Orchagent reports VLAN removal failure due to invalid order of event processing #20941

Comments

nazariig commented Nov 27, 2024

Description

Steps to reproduce the issue:

Describe the results you received:

Describe the results you expected:

Output of show version:

Output of show techsupport:

Additional information you deem important (e.g. issue happens only occasionally):

prabhataravind commented Dec 4, 2024

prsunny commented Dec 6, 2024

qiluo-msft commented Dec 10, 2024

liuh-80 commented Dec 10, 2024 • edited Loading

prsunny commented Dec 10, 2024

nazariig commented Dec 11, 2024

nazariig commented Dec 11, 2024 • edited Loading

liuh-80 commented Dec 13, 2024

liuh-80 commented Dec 17, 2024

liuh-80 commented Dec 23, 2024

liuh-80 commented Dec 26, 2024 • edited Loading

Output of `show version`:

Output of `show techsupport`:

liuh-80 commented Dec 10, 2024 •

edited

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nazariig commented Dec 11, 2024 •

edited

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liuh-80 commented Dec 26, 2024 •

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